2699480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 7188480

約数和(自身を除く): 4489000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 311, 434, 620, 622, 868, 1085, 1240, 1244, 1555, 1736, 2170, 2177, 2488, 3110, 4340, 4354, 6220, 8680, 8708, 9641, 10885, 12440, 17416, 19282, 21770, 38564, 43540, 48205, 67487, 77128, 87080, 96410, 134974, 192820, 269948, 337435, 385640, 539896, 674870, 1349740, 2699480]

約数ペア:

[(1, 2699480), (2, 1349740), (4, 674870), (5, 539896), (7, 385640), (8, 337435), (10, 269948), (14, 192820), (20, 134974), (28, 96410), (31, 87080), (35, 77128), (40, 67487), (56, 48205), (62, 43540), (70, 38564), (124, 21770), (140, 19282), (155, 17416), (217, 12440), (248, 10885), (280, 9641), (310, 8708), (311, 8680), (434, 6220), (620, 4354), (622, 4340), (868, 3110), (1085, 2488), (1240, 2177), (1244, 2170), (1555, 1736)]