207978532900

素因数分解:

$2^2\times 5^2\times {\mathrm{317}}^1\times {\mathrm{877}}^1\times {\mathrm{7481}}^1$

素因数の和:8689

約数の個数: 72

約数和(自身を含む): 453313939176

約数和(自身を除く): 245335406276

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 317, 634, 877, 1268, 1585, 1754, 3170, 3508, 4385, 6340, 7481, 7925, 8770, 14962, 15850, 17540, 21925, 29924, 31700, 37405, 43850, 74810, 87700, 149620, 187025, 278009, 374050, 556018, 748100, 1112036, 1390045, 2371477, 2780090, 4742954, 5560180, 6560837, 6950225, 9485908, 11857385, 13121674, 13900450, 23714770, 26243348, 27800900, 32804185, 47429540, 59286925, 65608370, 118573850, 131216740, 164020925, 237147700, 328041850, 656083700, 2079785329, 4159570658, 8319141316, 10398926645, 20797853290, 41595706580, 51994633225, 103989266450, 207978532900]

約数ペア:

[(1, 207978532900), (2, 103989266450), (4, 51994633225), (5, 41595706580), (10, 20797853290), (20, 10398926645), (25, 8319141316), (50, 4159570658), (100, 2079785329), (317, 656083700), (634, 328041850), (877, 237147700), (1268, 164020925), (1585, 131216740), (1754, 118573850), (3170, 65608370), (3508, 59286925), (4385, 47429540), (6340, 32804185), (7481, 27800900), (7925, 26243348), (8770, 23714770), (14962, 13900450), (15850, 13121674), (17540, 11857385), (21925, 9485908), (29924, 6950225), (31700, 6560837), (37405, 5560180), (43850, 4742954), (74810, 2780090), (87700, 2371477), (149620, 1390045), (187025, 1112036), (278009, 748100), (374050, 556018)]