56718340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2719}}^1$

素因数の和:2884

約数の個数: 48

約数和(自身を含む): 137088000

約数和(自身を除く): 80369660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2719, 2980, 4172, 5215, 5438, 10430, 10876, 13595, 19033, 20860, 27190, 38066, 54380, 76132, 95165, 190330, 380660, 405131, 810262, 1620524, 2025655, 2835917, 4051310, 5671834, 8102620, 11343668, 14179585, 28359170, 56718340]

約数ペア:

[(1, 56718340), (2, 28359170), (4, 14179585), (5, 11343668), (7, 8102620), (10, 5671834), (14, 4051310), (20, 2835917), (28, 2025655), (35, 1620524), (70, 810262), (140, 405131), (149, 380660), (298, 190330), (596, 95165), (745, 76132), (1043, 54380), (1490, 38066), (2086, 27190), (2719, 20860), (2980, 19033), (4172, 13595), (5215, 10876), (5438, 10430)]