945019880

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{68879}}^1$

素因数の和:68911

約数の個数: 64

約数和(自身を含む): 2479680000

約数和(自身を除く): 1534660120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13720, 68879, 137758, 275516, 344395, 482153, 551032, 688790, 964306, 1377580, 1928612, 2410765, 2755160, 3375071, 3857224, 4821530, 6750142, 9643060, 13500284, 16875355, 19286120, 23625497, 27000568, 33750710, 47250994, 67501420, 94501988, 118127485, 135002840, 189003976, 236254970, 472509940, 945019880]

約数ペア:

[(1, 945019880), (2, 472509940), (4, 236254970), (5, 189003976), (7, 135002840), (8, 118127485), (10, 94501988), (14, 67501420), (20, 47250994), (28, 33750710), (35, 27000568), (40, 23625497), (49, 19286120), (56, 16875355), (70, 13500284), (98, 9643060), (140, 6750142), (196, 4821530), (245, 3857224), (280, 3375071), (343, 2755160), (392, 2410765), (490, 1928612), (686, 1377580), (980, 964306), (1372, 688790), (1715, 551032), (1960, 482153), (2744, 344395), (3430, 275516), (6860, 137758), (13720, 68879)]