90800620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{238949}}^1$

素因数の和:238977

約数の個数: 24

約数和(自身を含む): 200718000

約数和(自身を除く): 109917380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 238949, 477898, 955796, 1194745, 2389490, 4540031, 4778980, 9080062, 18160124, 22700155, 45400310, 90800620]

約数ペア:

[(1, 90800620), (2, 45400310), (4, 22700155), (5, 18160124), (10, 9080062), (19, 4778980), (20, 4540031), (38, 2389490), (76, 1194745), (95, 955796), (190, 477898), (380, 238949)]