210925240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{170101}}^1$

素因数の和:170143

約数の個数: 32

約数和(自身を含む): 489893760

約数和(自身を除く): 278968520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 170101, 340202, 680404, 850505, 1360808, 1701010, 3402020, 5273131, 6804040, 10546262, 21092524, 26365655, 42185048, 52731310, 105462620, 210925240]

約数ペア:

[(1, 210925240), (2, 105462620), (4, 52731310), (5, 42185048), (8, 26365655), (10, 21092524), (20, 10546262), (31, 6804040), (40, 5273131), (62, 3402020), (124, 1701010), (155, 1360808), (248, 850505), (310, 680404), (620, 340202), (1240, 170101)]