156918646420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3203729}}^1$

素因数の和:3203848

約数の個数: 48

約数和(自身を含む): 344465049600

約数和(自身を除く): 187546403180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1580, 2449, 4898, 9796, 12245, 24490, 48980, 3203729, 6407458, 12814916, 16018645, 32037290, 64074580, 99315599, 198631198, 253094591, 397262396, 496577995, 506189182, 993155990, 1012378364, 1265472955, 1986311980, 2530945910, 5061891820, 7845932321, 15691864642, 31383729284, 39229661605, 78459323210, 156918646420]

約数ペア:

[(1, 156918646420), (2, 78459323210), (4, 39229661605), (5, 31383729284), (10, 15691864642), (20, 7845932321), (31, 5061891820), (62, 2530945910), (79, 1986311980), (124, 1265472955), (155, 1012378364), (158, 993155990), (310, 506189182), (316, 496577995), (395, 397262396), (620, 253094591), (790, 198631198), (1580, 99315599), (2449, 64074580), (4898, 32037290), (9796, 16018645), (12245, 12814916), (24490, 6407458), (48980, 3203729)]