1263303940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1\times {\mathrm{1571}}^1$

素因数の和:2908

約数の個数: 48

約数和(自身を含む): 2742372864

約数和(自身を除く): 1479068924

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1297, 1571, 2594, 3142, 5188, 6284, 6485, 7855, 12970, 15710, 25940, 31420, 40207, 48701, 80414, 97402, 160828, 194804, 201035, 243505, 402070, 487010, 804140, 974020, 2037587, 4075174, 8150348, 10187935, 20375870, 40751740, 63165197, 126330394, 252660788, 315825985, 631651970, 1263303940]

約数ペア:

[(1, 1263303940), (2, 631651970), (4, 315825985), (5, 252660788), (10, 126330394), (20, 63165197), (31, 40751740), (62, 20375870), (124, 10187935), (155, 8150348), (310, 4075174), (620, 2037587), (1297, 974020), (1571, 804140), (2594, 487010), (3142, 402070), (5188, 243505), (6284, 201035), (6485, 194804), (7855, 160828), (12970, 97402), (15710, 80414), (25940, 48701), (31420, 40207)]