427936520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6997}}^1$

素因数の和:7158

約数の個数: 64

約数和(自身を含む): 1058097600

約数和(自身を除く): 630161080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 1112, 1390, 1529, 2780, 3058, 5560, 6116, 6997, 7645, 12232, 13994, 15290, 27988, 30580, 34985, 55976, 61160, 69970, 76967, 139940, 153934, 279880, 307868, 384835, 615736, 769670, 972583, 1539340, 1945166, 3078680, 3890332, 4862915, 7780664, 9725830, 10698413, 19451660, 21396826, 38903320, 42793652, 53492065, 85587304, 106984130, 213968260, 427936520]

約数ペア:

[(1, 427936520), (2, 213968260), (4, 106984130), (5, 85587304), (8, 53492065), (10, 42793652), (11, 38903320), (20, 21396826), (22, 19451660), (40, 10698413), (44, 9725830), (55, 7780664), (88, 4862915), (110, 3890332), (139, 3078680), (220, 1945166), (278, 1539340), (440, 972583), (556, 769670), (695, 615736), (1112, 384835), (1390, 307868), (1529, 279880), (2780, 153934), (3058, 139940), (5560, 76967), (6116, 69970), (6997, 61160), (7645, 55976), (12232, 34985), (13994, 30580), (15290, 27988)]