155163400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:324

約数の個数: 144

約数和(自身を含む): 427472640

約数和(自身を除く): 272309240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 71, 98, 100, 140, 142, 175, 196, 200, 223, 245, 280, 284, 350, 355, 392, 446, 490, 497, 568, 700, 710, 892, 980, 994, 1115, 1225, 1400, 1420, 1561, 1775, 1784, 1960, 1988, 2230, 2450, 2485, 2840, 3122, 3479, 3550, 3976, 4460, 4900, 4970, 5575, 6244, 6958, 7100, 7805, 8920, 9800, 9940, 10927, 11150, 12425, 12488, 13916, 14200, 15610, 15833, 17395, 19880, 21854, 22300, 24850, 27832, 31220, 31666, 34790, 39025, 43708, 44600, 49700, 54635, 62440, 63332, 69580, 78050, 79165, 86975, 87416, 99400, 109270, 110831, 126664, 139160, 156100, 158330, 173950, 218540, 221662, 273175, 312200, 316660, 347900, 395825, 437080, 443324, 546350, 554155, 633320, 695800, 775817, 791650, 886648, 1092700, 1108310, 1551634, 1583300, 2185400, 2216620, 2770775, 3103268, 3166600, 3879085, 4433240, 5541550, 6206536, 7758170, 11083100, 15516340, 19395425, 22166200, 31032680, 38790850, 77581700, 155163400]

約数ペア:

[(1, 155163400), (2, 77581700), (4, 38790850), (5, 31032680), (7, 22166200), (8, 19395425), (10, 15516340), (14, 11083100), (20, 7758170), (25, 6206536), (28, 5541550), (35, 4433240), (40, 3879085), (49, 3166600), (50, 3103268), (56, 2770775), (70, 2216620), (71, 2185400), (98, 1583300), (100, 1551634), (140, 1108310), (142, 1092700), (175, 886648), (196, 791650), (200, 775817), (223, 695800), (245, 633320), (280, 554155), (284, 546350), (350, 443324), (355, 437080), (392, 395825), (446, 347900), (490, 316660), (497, 312200), (568, 273175), (700, 221662), (710, 218540), (892, 173950), (980, 158330), (994, 156100), (1115, 139160), (1225, 126664), (1400, 110831), (1420, 109270), (1561, 99400), (1775, 87416), (1784, 86975), (1960, 79165), (1988, 78050), (2230, 69580), (2450, 63332), (2485, 62440), (2840, 54635), (3122, 49700), (3479, 44600), (3550, 43708), (3976, 39025), (4460, 34790), (4900, 31666), (4970, 31220), (5575, 27832), (6244, 24850), (6958, 22300), (7100, 21854), (7805, 19880), (8920, 17395), (9800, 15833), (9940, 15610), (10927, 14200), (11150, 13916), (12425, 12488)]