40199940

素因数分解:

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

素因数の和:362

約数の個数: 144

約数和(自身を含む): 135233280

約数和(自身を除く): 95033340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 79, 90, 99, 110, 132, 158, 165, 180, 198, 220, 237, 257, 316, 330, 395, 396, 474, 495, 514, 660, 711, 771, 790, 869, 948, 990, 1028, 1185, 1285, 1422, 1542, 1580, 1738, 1980, 2313, 2370, 2570, 2607, 2827, 2844, 3084, 3476, 3555, 3855, 4345, 4626, 4740, 5140, 5214, 5654, 7110, 7710, 7821, 8481, 8690, 9252, 10428, 11308, 11565, 13035, 14135, 14220, 15420, 15642, 16962, 17380, 20303, 23130, 25443, 26070, 28270, 31284, 33924, 39105, 40606, 42405, 46260, 50886, 52140, 56540, 60909, 78210, 81212, 84810, 101515, 101772, 121818, 127215, 156420, 169620, 182727, 203030, 223333, 243636, 254430, 304545, 365454, 406060, 446666, 508860, 609090, 669999, 730908, 893332, 913635, 1116665, 1218180, 1339998, 1827270, 2009997, 2233330, 2679996, 3349995, 3654540, 4019994, 4466660, 6699990, 8039988, 10049985, 13399980, 20099970, 40199940]

約数ペア:

[(1, 40199940), (2, 20099970), (3, 13399980), (4, 10049985), (5, 8039988), (6, 6699990), (9, 4466660), (10, 4019994), (11, 3654540), (12, 3349995), (15, 2679996), (18, 2233330), (20, 2009997), (22, 1827270), (30, 1339998), (33, 1218180), (36, 1116665), (44, 913635), (45, 893332), (55, 730908), (60, 669999), (66, 609090), (79, 508860), (90, 446666), (99, 406060), (110, 365454), (132, 304545), (158, 254430), (165, 243636), (180, 223333), (198, 203030), (220, 182727), (237, 169620), (257, 156420), (316, 127215), (330, 121818), (395, 101772), (396, 101515), (474, 84810), (495, 81212), (514, 78210), (660, 60909), (711, 56540), (771, 52140), (790, 50886), (869, 46260), (948, 42405), (990, 40606), (1028, 39105), (1185, 33924), (1285, 31284), (1422, 28270), (1542, 26070), (1580, 25443), (1738, 23130), (1980, 20303), (2313, 17380), (2370, 16962), (2570, 15642), (2607, 15420), (2827, 14220), (2844, 14135), (3084, 13035), (3476, 11565), (3555, 11308), (3855, 10428), (4345, 9252), (4626, 8690), (4740, 8481), (5140, 7821), (5214, 7710), (5654, 7110)]