129641380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{19009}}^1$

素因数の和:19060

約数の個数: 48

約数和(自身を含む): 306593280

約数和(自身を除く): 176951900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 19009, 38018, 76036, 95045, 190090, 209099, 380180, 418198, 589279, 836396, 1045495, 1178558, 2090990, 2357116, 2946395, 4181980, 5892790, 6482069, 11785580, 12964138, 25928276, 32410345, 64820690, 129641380]

約数ペア:

[(1, 129641380), (2, 64820690), (4, 32410345), (5, 25928276), (10, 12964138), (11, 11785580), (20, 6482069), (22, 5892790), (31, 4181980), (44, 2946395), (55, 2357116), (62, 2090990), (110, 1178558), (124, 1045495), (155, 836396), (220, 589279), (310, 418198), (341, 380180), (620, 209099), (682, 190090), (1364, 95045), (1705, 76036), (3410, 38018), (6820, 19009)]