31225460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7691}}^1$

素因数の和:7736

約数の個数: 48

約数和(自身を含む): 77535360

約数和(自身を除く): 46309900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 7691, 15382, 30764, 38455, 53837, 76910, 107674, 153820, 215348, 223039, 269185, 446078, 538370, 892156, 1076740, 1115195, 1561273, 2230390, 3122546, 4460780, 6245092, 7806365, 15612730, 31225460]

約数ペア:

[(1, 31225460), (2, 15612730), (4, 7806365), (5, 6245092), (7, 4460780), (10, 3122546), (14, 2230390), (20, 1561273), (28, 1115195), (29, 1076740), (35, 892156), (58, 538370), (70, 446078), (116, 269185), (140, 223039), (145, 215348), (203, 153820), (290, 107674), (406, 76910), (580, 53837), (812, 38455), (1015, 30764), (2030, 15382), (4060, 7691)]