1439798980

素因数分解:

$2^2\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{36899}}^1$

素因数の和:38859

約数の個数: 24

約数和(自身を含む): 3025209600

約数和(自身を除く): 1585410620

約数列:

[1, 2, 4, 5, 10, 20, 1951, 3902, 7804, 9755, 19510, 36899, 39020, 73798, 147596, 184495, 368990, 737980, 71989949, 143979898, 287959796, 359949745, 719899490, 1439798980]

約数ペア:

[(1, 1439798980), (2, 719899490), (4, 359949745), (5, 287959796), (10, 143979898), (20, 71989949), (1951, 737980), (3902, 368990), (7804, 184495), (9755, 147596), (19510, 73798), (36899, 39020)]