557293820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1\times {\mathrm{1787}}^1$

素因数の和:2330

約数の個数: 48

約数和(自身を含む): 1211148288

約数和(自身を除く): 653854468

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 503, 620, 1006, 1787, 2012, 2515, 3574, 5030, 7148, 8935, 10060, 15593, 17870, 31186, 35740, 55397, 62372, 77965, 110794, 155930, 221588, 276985, 311860, 553970, 898861, 1107940, 1797722, 3595444, 4494305, 8988610, 17977220, 27864691, 55729382, 111458764, 139323455, 278646910, 557293820]

約数ペア:

[(1, 557293820), (2, 278646910), (4, 139323455), (5, 111458764), (10, 55729382), (20, 27864691), (31, 17977220), (62, 8988610), (124, 4494305), (155, 3595444), (310, 1797722), (503, 1107940), (620, 898861), (1006, 553970), (1787, 311860), (2012, 276985), (2515, 221588), (3574, 155930), (5030, 110794), (7148, 77965), (8935, 62372), (10060, 55397), (15593, 35740), (17870, 31186)]