988727720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{9923}}^1$

素因数の和:10034

約数の個数: 64

約数和(自身を含む): 2315070720

約数和(自身を除く): 1326343000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 53, 94, 106, 188, 212, 235, 265, 376, 424, 470, 530, 940, 1060, 1880, 2120, 2491, 4982, 9923, 9964, 12455, 19846, 19928, 24910, 39692, 49615, 49820, 79384, 99230, 99640, 198460, 396920, 466381, 525919, 932762, 1051838, 1865524, 2103676, 2331905, 2629595, 3731048, 4207352, 4663810, 5259190, 9327620, 10518380, 18655240, 21036760, 24718193, 49436386, 98872772, 123590965, 197745544, 247181930, 494363860, 988727720]

約数ペア:

[(1, 988727720), (2, 494363860), (4, 247181930), (5, 197745544), (8, 123590965), (10, 98872772), (20, 49436386), (40, 24718193), (47, 21036760), (53, 18655240), (94, 10518380), (106, 9327620), (188, 5259190), (212, 4663810), (235, 4207352), (265, 3731048), (376, 2629595), (424, 2331905), (470, 2103676), (530, 1865524), (940, 1051838), (1060, 932762), (1880, 525919), (2120, 466381), (2491, 396920), (4982, 198460), (9923, 99640), (9964, 99230), (12455, 79384), (19846, 49820), (19928, 49615), (24910, 39692)]