68795980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{312709}}^1$

素因数の和:312729

約数の個数: 24

約数和(自身を含む): 157605840

約数和(自身を除く): 88809860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 312709, 625418, 1250836, 1563545, 3127090, 3439799, 6254180, 6879598, 13759196, 17198995, 34397990, 68795980]

約数ペア:

[(1, 68795980), (2, 34397990), (4, 17198995), (5, 13759196), (10, 6879598), (11, 6254180), (20, 3439799), (22, 3127090), (44, 1563545), (55, 1250836), (110, 625418), (220, 312709)]