124995100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:767

約数の個数: 72

約数和(自身を含む): 285009536

約数和(自身を除く): 160014436

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 61, 62, 100, 122, 124, 155, 244, 305, 310, 610, 620, 661, 775, 1220, 1322, 1525, 1550, 1891, 2644, 3050, 3100, 3305, 3782, 6100, 6610, 7564, 9455, 13220, 16525, 18910, 20491, 33050, 37820, 40321, 40982, 47275, 66100, 80642, 81964, 94550, 102455, 161284, 189100, 201605, 204910, 403210, 409820, 512275, 806420, 1008025, 1024550, 1249951, 2016050, 2049100, 2499902, 4032100, 4999804, 6249755, 12499510, 24999020, 31248775, 62497550, 124995100]

約数ペア:

[(1, 124995100), (2, 62497550), (4, 31248775), (5, 24999020), (10, 12499510), (20, 6249755), (25, 4999804), (31, 4032100), (50, 2499902), (61, 2049100), (62, 2016050), (100, 1249951), (122, 1024550), (124, 1008025), (155, 806420), (244, 512275), (305, 409820), (310, 403210), (610, 204910), (620, 201605), (661, 189100), (775, 161284), (1220, 102455), (1322, 94550), (1525, 81964), (1550, 80642), (1891, 66100), (2644, 47275), (3050, 40982), (3100, 40321), (3305, 37820), (3782, 33050), (6100, 20491), (6610, 18910), (7564, 16525), (9455, 13220)]