404927996920

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1733}}^1\times {\mathrm{35837}}^1$

素因数の和:37744

約数の個数: 64

約数和(自身を含む): 917232037920

約数和(自身を除く): 512304041000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 1733, 3260, 3466, 6520, 6932, 8665, 13864, 17330, 34660, 35837, 69320, 71674, 143348, 179185, 282479, 286696, 358370, 564958, 716740, 1129916, 1412395, 1433480, 2259832, 2824790, 5649580, 5841431, 11299160, 11682862, 23365724, 29207155, 46731448, 58414310, 62105521, 116828620, 124211042, 233657240, 248422084, 310527605, 496844168, 621055210, 1242110420, 2484220840, 10123199923, 20246399846, 40492799692, 50615999615, 80985599384, 101231999230, 202463998460, 404927996920]

約数ペア:

[(1, 404927996920), (2, 202463998460), (4, 101231999230), (5, 80985599384), (8, 50615999615), (10, 40492799692), (20, 20246399846), (40, 10123199923), (163, 2484220840), (326, 1242110420), (652, 621055210), (815, 496844168), (1304, 310527605), (1630, 248422084), (1733, 233657240), (3260, 124211042), (3466, 116828620), (6520, 62105521), (6932, 58414310), (8665, 46731448), (13864, 29207155), (17330, 23365724), (34660, 11682862), (35837, 11299160), (69320, 5841431), (71674, 5649580), (143348, 2824790), (179185, 2259832), (282479, 1433480), (286696, 1412395), (358370, 1129916), (564958, 716740)]