901580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 1926960

約数和(自身を除く): 1025380

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 739, 1220, 1478, 2956, 3695, 7390, 14780, 45079, 90158, 180316, 225395, 450790, 901580]

約数ペア:

[(1, 901580), (2, 450790), (4, 225395), (5, 180316), (10, 90158), (20, 45079), (61, 14780), (122, 7390), (244, 3695), (305, 2956), (610, 1478), (739, 1220)]