261670820

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1\times {\mathrm{317}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 556945200

約数和(自身を除く): 295274380

約数列:

[1, 2, 4, 5, 10, 20, 149, 277, 298, 317, 554, 596, 634, 745, 1108, 1268, 1385, 1490, 1585, 2770, 2980, 3170, 5540, 6340, 41273, 47233, 82546, 87809, 94466, 165092, 175618, 188932, 206365, 236165, 351236, 412730, 439045, 472330, 825460, 878090, 944660, 1756180, 13083541, 26167082, 52334164, 65417705, 130835410, 261670820]

約数ペア:

[(1, 261670820), (2, 130835410), (4, 65417705), (5, 52334164), (10, 26167082), (20, 13083541), (149, 1756180), (277, 944660), (298, 878090), (317, 825460), (554, 472330), (596, 439045), (634, 412730), (745, 351236), (1108, 236165), (1268, 206365), (1385, 188932), (1490, 175618), (1585, 165092), (2770, 94466), (2980, 87809), (3170, 82546), (5540, 47233), (6340, 41273)]