7712740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{619}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 18748800

約数和(自身を除く): 11036060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 619, 623, 890, 1238, 1246, 1780, 2476, 2492, 3095, 3115, 4333, 6190, 6230, 8666, 12380, 12460, 17332, 21665, 43330, 55091, 86660, 110182, 220364, 275455, 385637, 550910, 771274, 1101820, 1542548, 1928185, 3856370, 7712740]

約数ペア:

[(1, 7712740), (2, 3856370), (4, 1928185), (5, 1542548), (7, 1101820), (10, 771274), (14, 550910), (20, 385637), (28, 275455), (35, 220364), (70, 110182), (89, 86660), (140, 55091), (178, 43330), (356, 21665), (445, 17332), (619, 12460), (623, 12380), (890, 8666), (1238, 6230), (1246, 6190), (1780, 4333), (2476, 3115), (2492, 3095)]