398049400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:222

約数の個数: 192

約数和(自身を含む): 1107072000

約数和(自身を除く): 709022600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 59, 61, 70, 79, 100, 118, 122, 140, 158, 175, 200, 236, 244, 280, 295, 305, 316, 350, 395, 413, 427, 472, 488, 553, 590, 610, 632, 700, 790, 826, 854, 1106, 1180, 1220, 1400, 1475, 1525, 1580, 1652, 1708, 1975, 2065, 2135, 2212, 2360, 2440, 2765, 2950, 3050, 3160, 3304, 3416, 3599, 3950, 4130, 4270, 4424, 4661, 4819, 5530, 5900, 6100, 7198, 7900, 8260, 8540, 9322, 9638, 10325, 10675, 11060, 11800, 12200, 13825, 14396, 15800, 16520, 17080, 17995, 18644, 19276, 20650, 21350, 22120, 23305, 24095, 25193, 27650, 28792, 32627, 33733, 35990, 37288, 38552, 41300, 42700, 46610, 48190, 50386, 55300, 65254, 67466, 71980, 82600, 85400, 89975, 93220, 96380, 100772, 110600, 116525, 120475, 125965, 130508, 134932, 143960, 163135, 168665, 179950, 186440, 192760, 201544, 233050, 240950, 251930, 261016, 269864, 284321, 326270, 337330, 359900, 466100, 481900, 503860, 568642, 629825, 652540, 674660, 719800, 815675, 843325, 932200, 963800, 1007720, 1137284, 1259650, 1305080, 1349320, 1421605, 1631350, 1686650, 1990247, 2274568, 2519300, 2843210, 3262700, 3373300, 3980494, 5038600, 5686420, 6525400, 6746600, 7108025, 7960988, 9951235, 11372840, 14216050, 15921976, 19902470, 28432100, 39804940, 49756175, 56864200, 79609880, 99512350, 199024700, 398049400]

約数ペア:

[(1, 398049400), (2, 199024700), (4, 99512350), (5, 79609880), (7, 56864200), (8, 49756175), (10, 39804940), (14, 28432100), (20, 19902470), (25, 15921976), (28, 14216050), (35, 11372840), (40, 9951235), (50, 7960988), (56, 7108025), (59, 6746600), (61, 6525400), (70, 5686420), (79, 5038600), (100, 3980494), (118, 3373300), (122, 3262700), (140, 2843210), (158, 2519300), (175, 2274568), (200, 1990247), (236, 1686650), (244, 1631350), (280, 1421605), (295, 1349320), (305, 1305080), (316, 1259650), (350, 1137284), (395, 1007720), (413, 963800), (427, 932200), (472, 843325), (488, 815675), (553, 719800), (590, 674660), (610, 652540), (632, 629825), (700, 568642), (790, 503860), (826, 481900), (854, 466100), (1106, 359900), (1180, 337330), (1220, 326270), (1400, 284321), (1475, 269864), (1525, 261016), (1580, 251930), (1652, 240950), (1708, 233050), (1975, 201544), (2065, 192760), (2135, 186440), (2212, 179950), (2360, 168665), (2440, 163135), (2765, 143960), (2950, 134932), (3050, 130508), (3160, 125965), (3304, 120475), (3416, 116525), (3599, 110600), (3950, 100772), (4130, 96380), (4270, 93220), (4424, 89975), (4661, 85400), (4819, 82600), (5530, 71980), (5900, 67466), (6100, 65254), (7198, 55300), (7900, 50386), (8260, 48190), (8540, 46610), (9322, 42700), (9638, 41300), (10325, 38552), (10675, 37288), (11060, 35990), (11800, 33733), (12200, 32627), (13825, 28792), (14396, 27650), (15800, 25193), (16520, 24095), (17080, 23305), (17995, 22120), (18644, 21350), (19276, 20650)]