211197310

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{2729}}^1$

素因数の和:2916

約数の個数: 32

約数和(自身を含む): 389188800

約数和(自身を除く): 177991490

約数列:

[1, 2, 5, 10, 71, 109, 142, 218, 355, 545, 710, 1090, 2729, 5458, 7739, 13645, 15478, 27290, 38695, 77390, 193759, 297461, 387518, 594922, 968795, 1487305, 1937590, 2974610, 21119731, 42239462, 105598655, 211197310]

約数ペア:

[(1, 211197310), (2, 105598655), (5, 42239462), (10, 21119731), (71, 2974610), (109, 1937590), (142, 1487305), (218, 968795), (355, 594922), (545, 387518), (710, 297461), (1090, 193759), (2729, 77390), (5458, 38695), (7739, 27290), (13645, 15478)]