201880990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1\times {\mathrm{929}}^1$

素因数の和:1668

約数の個数: 32

約数和(自身を含む): 376047360

約数和(自身を除く): 174166370

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 701, 929, 1402, 1858, 3505, 4645, 7010, 9290, 21731, 28799, 43462, 57598, 108655, 143995, 217310, 287990, 651229, 1302458, 3256145, 6512290, 20188099, 40376198, 100940495, 201880990]

約数ペア:

[(1, 201880990), (2, 100940495), (5, 40376198), (10, 20188099), (31, 6512290), (62, 3256145), (155, 1302458), (310, 651229), (701, 287990), (929, 217310), (1402, 143995), (1858, 108655), (3505, 57598), (4645, 43462), (7010, 28799), (9290, 21731)]