313542920

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^1\times {\mathrm{10607}}^1$

素因数の和:11357

約数の個数: 32

約数和(自身を含む): 706492800

約数和(自身を除く): 392949880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 1478, 2956, 3695, 5912, 7390, 10607, 14780, 21214, 29560, 42428, 53035, 84856, 106070, 212140, 424280, 7838573, 15677146, 31354292, 39192865, 62708584, 78385730, 156771460, 313542920]

約数ペア:

[(1, 313542920), (2, 156771460), (4, 78385730), (5, 62708584), (8, 39192865), (10, 31354292), (20, 15677146), (40, 7838573), (739, 424280), (1478, 212140), (2956, 106070), (3695, 84856), (5912, 53035), (7390, 42428), (10607, 29560), (14780, 21214)]