31495940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{613}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 75919872

約数和(自身を除く): 44423932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 367, 613, 734, 1226, 1468, 1835, 2452, 2569, 3065, 3670, 4291, 5138, 6130, 7340, 8582, 10276, 12260, 12845, 17164, 21455, 25690, 42910, 51380, 85820, 224971, 449942, 899884, 1124855, 1574797, 2249710, 3149594, 4499420, 6299188, 7873985, 15747970, 31495940]

約数ペア:

[(1, 31495940), (2, 15747970), (4, 7873985), (5, 6299188), (7, 4499420), (10, 3149594), (14, 2249710), (20, 1574797), (28, 1124855), (35, 899884), (70, 449942), (140, 224971), (367, 85820), (613, 51380), (734, 42910), (1226, 25690), (1468, 21455), (1835, 17164), (2452, 12845), (2569, 12260), (3065, 10276), (3670, 8582), (4291, 7340), (5138, 6130)]