172012340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1889}}^1$

素因数の和:2084

約数の個数: 48

約数和(自身を含む): 376261200

約数和(自身を除く): 204248860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 157, 290, 314, 580, 628, 785, 1570, 1889, 3140, 3778, 4553, 7556, 9106, 9445, 18212, 18890, 22765, 37780, 45530, 54781, 91060, 109562, 219124, 273905, 296573, 547810, 593146, 1095620, 1186292, 1482865, 2965730, 5931460, 8600617, 17201234, 34402468, 43003085, 86006170, 172012340]

約数ペア:

[(1, 172012340), (2, 86006170), (4, 43003085), (5, 34402468), (10, 17201234), (20, 8600617), (29, 5931460), (58, 2965730), (116, 1482865), (145, 1186292), (157, 1095620), (290, 593146), (314, 547810), (580, 296573), (628, 273905), (785, 219124), (1570, 109562), (1889, 91060), (3140, 54781), (3778, 45530), (4553, 37780), (7556, 22765), (9106, 18890), (9445, 18212)]