31289260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{739}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 68997600

約数和(自身を除く): 37708340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 739, 1460, 1478, 2117, 2956, 3695, 4234, 7390, 8468, 10585, 14780, 21170, 21431, 42340, 42862, 53947, 85724, 107155, 107894, 214310, 215788, 269735, 428620, 539470, 1078940, 1564463, 3128926, 6257852, 7822315, 15644630, 31289260]

約数ペア:

[(1, 31289260), (2, 15644630), (4, 7822315), (5, 6257852), (10, 3128926), (20, 1564463), (29, 1078940), (58, 539470), (73, 428620), (116, 269735), (145, 215788), (146, 214310), (290, 107894), (292, 107155), (365, 85724), (580, 53947), (730, 42862), (739, 42340), (1460, 21431), (1478, 21170), (2117, 14780), (2956, 10585), (3695, 8468), (4234, 7390)]