286048280

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{20849}}^1$

素因数の和:20881

約数の個数: 64

約数和(自身を含む): 750600000

約数和(自身を除く): 464551720

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, 20849, 41698, 83396, 104245, 145943, 166792, 208490, 291886, 416980, 583772, 729715, 833960, 1021601, 1167544, 1459430, 2043202, 2918860, 4086404, 5108005, 5837720, 7151207, 8172808, 10216010, 14302414, 20432020, 28604828, 35756035, 40864040, 57209656, 71512070, 143024140, 286048280]

約数ペア:

[(1, 286048280), (2, 143024140), (4, 71512070), (5, 57209656), (7, 40864040), (8, 35756035), (10, 28604828), (14, 20432020), (20, 14302414), (28, 10216010), (35, 8172808), (40, 7151207), (49, 5837720), (56, 5108005), (70, 4086404), (98, 2918860), (140, 2043202), (196, 1459430), (245, 1167544), (280, 1021601), (343, 833960), (392, 729715), (490, 583772), (686, 416980), (980, 291886), (1372, 208490), (1715, 166792), (1960, 145943), (2744, 104245), (3430, 83396), (6860, 41698), (13720, 20849)]