215000174740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{1841701}}^1$

素因数の和:1842172

約数の個数: 48

約数和(自身を含む): 487314349200

約数和(自身を除く): 272314174460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 449, 898, 1796, 2245, 4490, 5837, 8980, 11674, 23348, 29185, 58370, 116740, 1841701, 3683402, 7366804, 9208505, 18417010, 23942113, 36834020, 47884226, 95768452, 119710565, 239421130, 478842260, 826923749, 1653847498, 3307694996, 4134618745, 8269237490, 10750008737, 16538474980, 21500017474, 43000034948, 53750043685, 107500087370, 215000174740]

約数ペア:

[(1, 215000174740), (2, 107500087370), (4, 53750043685), (5, 43000034948), (10, 21500017474), (13, 16538474980), (20, 10750008737), (26, 8269237490), (52, 4134618745), (65, 3307694996), (130, 1653847498), (260, 826923749), (449, 478842260), (898, 239421130), (1796, 119710565), (2245, 95768452), (4490, 47884226), (5837, 36834020), (8980, 23942113), (11674, 18417010), (23348, 9208505), (29185, 7366804), (58370, 3683402), (116740, 1841701)]