71415940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{503}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 155796480

約数和(自身を除く): 84380540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 229, 310, 458, 503, 620, 916, 1006, 1145, 2012, 2290, 2515, 4580, 5030, 7099, 10060, 14198, 15593, 28396, 31186, 35495, 62372, 70990, 77965, 115187, 141980, 155930, 230374, 311860, 460748, 575935, 1151870, 2303740, 3570797, 7141594, 14283188, 17853985, 35707970, 71415940]

約数ペア:

[(1, 71415940), (2, 35707970), (4, 17853985), (5, 14283188), (10, 7141594), (20, 3570797), (31, 2303740), (62, 1151870), (124, 575935), (155, 460748), (229, 311860), (310, 230374), (458, 155930), (503, 141980), (620, 115187), (916, 77965), (1006, 70990), (1145, 62372), (2012, 35495), (2290, 31186), (2515, 28396), (4580, 15593), (5030, 14198), (7099, 10060)]