529480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 64

約数和(自身を含む): 1428480

約数和(自身を除く): 899000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 61, 62, 70, 122, 124, 140, 155, 217, 244, 248, 280, 305, 310, 427, 434, 488, 610, 620, 854, 868, 1085, 1220, 1240, 1708, 1736, 1891, 2135, 2170, 2440, 3416, 3782, 4270, 4340, 7564, 8540, 8680, 9455, 13237, 15128, 17080, 18910, 26474, 37820, 52948, 66185, 75640, 105896, 132370, 264740, 529480]

約数ペア:

[(1, 529480), (2, 264740), (4, 132370), (5, 105896), (7, 75640), (8, 66185), (10, 52948), (14, 37820), (20, 26474), (28, 18910), (31, 17080), (35, 15128), (40, 13237), (56, 9455), (61, 8680), (62, 8540), (70, 7564), (122, 4340), (124, 4270), (140, 3782), (155, 3416), (217, 2440), (244, 2170), (248, 2135), (280, 1891), (305, 1736), (310, 1708), (427, 1240), (434, 1220), (488, 1085), (610, 868), (620, 854)]