201521650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8521}}^1$

素因数の和:8587

約数の個数: 48

約数和(自身を含む): 418464288

約数和(自身を除く): 216942638

約数列:

[1, 2, 5, 10, 11, 22, 25, 43, 50, 55, 86, 110, 215, 275, 430, 473, 550, 946, 1075, 2150, 2365, 4730, 8521, 11825, 17042, 23650, 42605, 85210, 93731, 187462, 213025, 366403, 426050, 468655, 732806, 937310, 1832015, 2343275, 3664030, 4030433, 4686550, 8060866, 9160075, 18320150, 20152165, 40304330, 100760825, 201521650]

約数ペア:

[(1, 201521650), (2, 100760825), (5, 40304330), (10, 20152165), (11, 18320150), (22, 9160075), (25, 8060866), (43, 4686550), (50, 4030433), (55, 3664030), (86, 2343275), (110, 1832015), (215, 937310), (275, 732806), (430, 468655), (473, 426050), (550, 366403), (946, 213025), (1075, 187462), (2150, 93731), (2365, 85210), (4730, 42605), (8521, 23650), (11825, 17042)]