257003360

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{30307}}^1$

素因数の和:30375

約数の個数: 48

約数和(自身を含む): 618646896

約数和(自身を除く): 361643536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 4240, 8480, 30307, 60614, 121228, 151535, 242456, 303070, 484912, 606140, 969824, 1212280, 1606271, 2424560, 3212542, 4849120, 6425084, 8031355, 12850168, 16062710, 25700336, 32125420, 51400672, 64250840, 128501680, 257003360]

約数ペア:

[(1, 257003360), (2, 128501680), (4, 64250840), (5, 51400672), (8, 32125420), (10, 25700336), (16, 16062710), (20, 12850168), (32, 8031355), (40, 6425084), (53, 4849120), (80, 3212542), (106, 2424560), (160, 1606271), (212, 1212280), (265, 969824), (424, 606140), (530, 484912), (848, 303070), (1060, 242456), (1696, 151535), (2120, 121228), (4240, 60614), (8480, 30307)]