8465240

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{617}}^1$

素因数の和:649

約数の個数: 64

約数和(自身を含む): 22248000

約数和(自身を除く): 13782760

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, 617, 686, 980, 1234, 1372, 1715, 1960, 2468, 2744, 3085, 3430, 4319, 4936, 6170, 6860, 8638, 12340, 13720, 17276, 21595, 24680, 30233, 34552, 43190, 60466, 86380, 120932, 151165, 172760, 211631, 241864, 302330, 423262, 604660, 846524, 1058155, 1209320, 1693048, 2116310, 4232620, 8465240]

約数ペア:

[(1, 8465240), (2, 4232620), (4, 2116310), (5, 1693048), (7, 1209320), (8, 1058155), (10, 846524), (14, 604660), (20, 423262), (28, 302330), (35, 241864), (40, 211631), (49, 172760), (56, 151165), (70, 120932), (98, 86380), (140, 60466), (196, 43190), (245, 34552), (280, 30233), (343, 24680), (392, 21595), (490, 17276), (617, 13720), (686, 12340), (980, 8638), (1234, 6860), (1372, 6170), (1715, 4936), (1960, 4319), (2468, 3430), (2744, 3085)]