275156920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{1213}}^1$

素因数の和:1384

約数の個数: 64

約数和(自身を含む): 637204320

約数和(自身を除く): 362047400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 107, 212, 214, 265, 424, 428, 530, 535, 856, 1060, 1070, 1213, 2120, 2140, 2426, 4280, 4852, 5671, 6065, 9704, 11342, 12130, 22684, 24260, 28355, 45368, 48520, 56710, 64289, 113420, 128578, 129791, 226840, 257156, 259582, 321445, 514312, 519164, 642890, 648955, 1038328, 1285780, 1297910, 2571560, 2595820, 5191640, 6878923, 13757846, 27515692, 34394615, 55031384, 68789230, 137578460, 275156920]

約数ペア:

[(1, 275156920), (2, 137578460), (4, 68789230), (5, 55031384), (8, 34394615), (10, 27515692), (20, 13757846), (40, 6878923), (53, 5191640), (106, 2595820), (107, 2571560), (212, 1297910), (214, 1285780), (265, 1038328), (424, 648955), (428, 642890), (530, 519164), (535, 514312), (856, 321445), (1060, 259582), (1070, 257156), (1213, 226840), (2120, 129791), (2140, 128578), (2426, 113420), (4280, 64289), (4852, 56710), (5671, 48520), (6065, 45368), (9704, 28355), (11342, 24260), (12130, 22684)]