521293640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{4861}}^1$

素因数の和:5262

約数の個数: 64

約数和(自身を含む): 1344245760

約数和(自身を除く): 822952120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 383, 766, 1532, 1915, 2681, 3064, 3830, 4861, 5362, 7660, 9722, 10724, 13405, 15320, 19444, 21448, 24305, 26810, 34027, 38888, 48610, 53620, 68054, 97220, 107240, 136108, 170135, 194440, 272216, 340270, 680540, 1361080, 1861763, 3723526, 7447052, 9308815, 13032341, 14894104, 18617630, 26064682, 37235260, 52129364, 65161705, 74470520, 104258728, 130323410, 260646820, 521293640]

約数ペア:

[(1, 521293640), (2, 260646820), (4, 130323410), (5, 104258728), (7, 74470520), (8, 65161705), (10, 52129364), (14, 37235260), (20, 26064682), (28, 18617630), (35, 14894104), (40, 13032341), (56, 9308815), (70, 7447052), (140, 3723526), (280, 1861763), (383, 1361080), (766, 680540), (1532, 340270), (1915, 272216), (2681, 194440), (3064, 170135), (3830, 136108), (4861, 107240), (5362, 97220), (7660, 68054), (9722, 53620), (10724, 48610), (13405, 38888), (15320, 34027), (19444, 26810), (21448, 24305)]