1645425650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157457}}^1$

素因数の和:157499

約数の個数: 48

約数和(自身を含む): 3514462560

約数和(自身を除く): 1869036910

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 2090, 5225, 10450, 157457, 314914, 787285, 1574570, 1732027, 2991683, 3464054, 3936425, 5983366, 7872850, 8660135, 14958415, 17320270, 29916830, 32908513, 43300675, 65817026, 74792075, 86601350, 149584150, 164542565, 329085130, 822712825, 1645425650]

約数ペア:

[(1, 1645425650), (2, 822712825), (5, 329085130), (10, 164542565), (11, 149584150), (19, 86601350), (22, 74792075), (25, 65817026), (38, 43300675), (50, 32908513), (55, 29916830), (95, 17320270), (110, 14958415), (190, 8660135), (209, 7872850), (275, 5983366), (418, 3936425), (475, 3464054), (550, 2991683), (950, 1732027), (1045, 1574570), (2090, 787285), (5225, 314914), (10450, 157457)]