201721850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{1039}}^1$

素因数の和:1415

約数の個数: 48

約数和(自身を含む): 410866560

約数和(自身を除く): 209144710

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 353, 550, 706, 1039, 1765, 2078, 3530, 3883, 5195, 7766, 8825, 10390, 11429, 17650, 19415, 22858, 25975, 38830, 51950, 57145, 97075, 114290, 194150, 285725, 366767, 571450, 733534, 1833835, 3667670, 4034437, 8068874, 9169175, 18338350, 20172185, 40344370, 100860925, 201721850]

約数ペア:

[(1, 201721850), (2, 100860925), (5, 40344370), (10, 20172185), (11, 18338350), (22, 9169175), (25, 8068874), (50, 4034437), (55, 3667670), (110, 1833835), (275, 733534), (353, 571450), (550, 366767), (706, 285725), (1039, 194150), (1765, 114290), (2078, 97075), (3530, 57145), (3883, 51950), (5195, 38830), (7766, 25975), (8825, 22858), (10390, 19415), (11429, 17650)]