3979640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 10445760

約数和(自身を除く): 6466120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 233, 244, 280, 305, 427, 466, 488, 610, 854, 932, 1165, 1220, 1631, 1708, 1864, 2135, 2330, 2440, 3262, 3416, 4270, 4660, 6524, 8155, 8540, 9320, 13048, 14213, 16310, 17080, 28426, 32620, 56852, 65240, 71065, 99491, 113704, 142130, 198982, 284260, 397964, 497455, 568520, 795928, 994910, 1989820, 3979640]

約数ペア:

[(1, 3979640), (2, 1989820), (4, 994910), (5, 795928), (7, 568520), (8, 497455), (10, 397964), (14, 284260), (20, 198982), (28, 142130), (35, 113704), (40, 99491), (56, 71065), (61, 65240), (70, 56852), (122, 32620), (140, 28426), (233, 17080), (244, 16310), (280, 14213), (305, 13048), (427, 9320), (466, 8540), (488, 8155), (610, 6524), (854, 4660), (932, 4270), (1165, 3416), (1220, 3262), (1631, 2440), (1708, 2330), (1864, 2135)]