156795688580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{638263}}^1$

素因数の和:638516

約数の個数: 48

約数和(自身を含む): 335839198464

約数和(自身を除く): 179043509884

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 173, 284, 346, 355, 692, 710, 865, 1420, 1730, 3460, 12283, 24566, 49132, 61415, 122830, 245660, 638263, 1276526, 2553052, 3191315, 6382630, 12765260, 45316673, 90633346, 110419499, 181266692, 220838998, 226583365, 441677996, 453166730, 552097495, 906333460, 1104194990, 2208389980, 7839784429, 15679568858, 31359137716, 39198922145, 78397844290, 156795688580]

約数ペア:

[(1, 156795688580), (2, 78397844290), (4, 39198922145), (5, 31359137716), (10, 15679568858), (20, 7839784429), (71, 2208389980), (142, 1104194990), (173, 906333460), (284, 552097495), (346, 453166730), (355, 441677996), (692, 226583365), (710, 220838998), (865, 181266692), (1420, 110419499), (1730, 90633346), (3460, 45316673), (12283, 12765260), (24566, 6382630), (49132, 3191315), (61415, 2553052), (122830, 1276526), (245660, 638263)]