201764890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 390044160

約数和(自身を除く): 188279270

約数列:

[1, 2, 5, 10, 29, 47, 58, 94, 113, 131, 145, 226, 235, 262, 290, 470, 565, 655, 1130, 1310, 1363, 2726, 3277, 3799, 5311, 6157, 6554, 6815, 7598, 10622, 12314, 13630, 14803, 16385, 18995, 26555, 29606, 30785, 32770, 37990, 53110, 61570, 74015, 148030, 154019, 178553, 308038, 357106, 429287, 695741, 770095, 858574, 892765, 1391482, 1540190, 1785530, 2146435, 3478705, 4292870, 6957410, 20176489, 40352978, 100882445, 201764890]

約数ペア:

[(1, 201764890), (2, 100882445), (5, 40352978), (10, 20176489), (29, 6957410), (47, 4292870), (58, 3478705), (94, 2146435), (113, 1785530), (131, 1540190), (145, 1391482), (226, 892765), (235, 858574), (262, 770095), (290, 695741), (470, 429287), (565, 357106), (655, 308038), (1130, 178553), (1310, 154019), (1363, 148030), (2726, 74015), (3277, 61570), (3799, 53110), (5311, 37990), (6157, 32770), (6554, 30785), (6815, 29606), (7598, 26555), (10622, 18995), (12314, 16385), (13630, 14803)]