401999400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:369

約数の個数: 288

約数和(自身を含む): 1497225600

約数和(自身を除く): 1095226200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 50, 55, 60, 66, 72, 75, 79, 88, 90, 99, 100, 110, 120, 132, 150, 158, 165, 180, 198, 200, 220, 225, 237, 257, 264, 275, 300, 316, 330, 360, 395, 396, 440, 450, 474, 495, 514, 550, 600, 632, 660, 711, 771, 790, 792, 825, 869, 900, 948, 990, 1028, 1100, 1185, 1285, 1320, 1422, 1542, 1580, 1650, 1738, 1800, 1896, 1975, 1980, 2056, 2200, 2313, 2370, 2475, 2570, 2607, 2827, 2844, 3084, 3160, 3300, 3476, 3555, 3855, 3950, 3960, 4345, 4626, 4740, 4950, 5140, 5214, 5654, 5688, 5925, 6168, 6425, 6600, 6952, 7110, 7710, 7821, 7900, 8481, 8690, 9252, 9480, 9900, 10280, 10428, 11308, 11565, 11850, 12850, 13035, 14135, 14220, 15420, 15642, 15800, 16962, 17380, 17775, 18504, 19275, 19800, 20303, 20856, 21725, 22616, 23130, 23700, 25443, 25700, 26070, 28270, 28440, 30840, 31284, 33924, 34760, 35550, 38550, 39105, 40606, 42405, 43450, 46260, 47400, 50886, 51400, 52140, 56540, 57825, 60909, 62568, 65175, 67848, 70675, 71100, 77100, 78210, 81212, 84810, 86900, 92520, 101515, 101772, 104280, 113080, 115650, 121818, 127215, 130350, 141350, 142200, 154200, 156420, 162424, 169620, 173800, 182727, 195525, 203030, 203544, 212025, 223333, 231300, 243636, 254430, 260700, 282700, 304545, 312840, 339240, 365454, 391050, 406060, 424050, 446666, 462600, 487272, 507575, 508860, 521400, 565400, 609090, 636075, 669999, 730908, 782100, 812120, 848100, 893332, 913635, 1015150, 1017720, 1116665, 1218180, 1272150, 1339998, 1461816, 1522725, 1564200, 1696200, 1786664, 1827270, 2009997, 2030300, 2233330, 2436360, 2544300, 2679996, 3045450, 3349995, 3654540, 4019994, 4060600, 4466660, 4568175, 5088600, 5359992, 5583325, 6090900, 6699990, 7309080, 8039988, 8933320, 9136350, 10049985, 11166650, 12181800, 13399980, 16079976, 16749975, 18272700, 20099970, 22333300, 26799960, 33499950, 36545400, 40199940, 44666600, 50249925, 66999900, 80399880, 100499850, 133999800, 200999700, 401999400]

約数ペア:

[(1, 401999400), (2, 200999700), (3, 133999800), (4, 100499850), (5, 80399880), (6, 66999900), (8, 50249925), (9, 44666600), (10, 40199940), (11, 36545400), (12, 33499950), (15, 26799960), (18, 22333300), (20, 20099970), (22, 18272700), (24, 16749975), (25, 16079976), (30, 13399980), (33, 12181800), (36, 11166650), (40, 10049985), (44, 9136350), (45, 8933320), (50, 8039988), (55, 7309080), (60, 6699990), (66, 6090900), (72, 5583325), (75, 5359992), (79, 5088600), (88, 4568175), (90, 4466660), (99, 4060600), (100, 4019994), (110, 3654540), (120, 3349995), (132, 3045450), (150, 2679996), (158, 2544300), (165, 2436360), (180, 2233330), (198, 2030300), (200, 2009997), (220, 1827270), (225, 1786664), (237, 1696200), (257, 1564200), (264, 1522725), (275, 1461816), (300, 1339998), (316, 1272150), (330, 1218180), (360, 1116665), (395, 1017720), (396, 1015150), (440, 913635), (450, 893332), (474, 848100), (495, 812120), (514, 782100), (550, 730908), (600, 669999), (632, 636075), (660, 609090), (711, 565400), (771, 521400), (790, 508860), (792, 507575), (825, 487272), (869, 462600), (900, 446666), (948, 424050), (990, 406060), (1028, 391050), (1100, 365454), (1185, 339240), (1285, 312840), (1320, 304545), (1422, 282700), (1542, 260700), (1580, 254430), (1650, 243636), (1738, 231300), (1800, 223333), (1896, 212025), (1975, 203544), (1980, 203030), (2056, 195525), (2200, 182727), (2313, 173800), (2370, 169620), (2475, 162424), (2570, 156420), (2607, 154200), (2827, 142200), (2844, 141350), (3084, 130350), (3160, 127215), (3300, 121818), (3476, 115650), (3555, 113080), (3855, 104280), (3950, 101772), (3960, 101515), (4345, 92520), (4626, 86900), (4740, 84810), (4950, 81212), (5140, 78210), (5214, 77100), (5654, 71100), (5688, 70675), (5925, 67848), (6168, 65175), (6425, 62568), (6600, 60909), (6952, 57825), (7110, 56540), (7710, 52140), (7821, 51400), (7900, 50886), (8481, 47400), (8690, 46260), (9252, 43450), (9480, 42405), (9900, 40606), (10280, 39105), (10428, 38550), (11308, 35550), (11565, 34760), (11850, 33924), (12850, 31284), (13035, 30840), (14135, 28440), (14220, 28270), (15420, 26070), (15642, 25700), (15800, 25443), (16962, 23700), (17380, 23130), (17775, 22616), (18504, 21725), (19275, 20856), (19800, 20303)]