61686860

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{857}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 134053920

約数和(自身を除く): 72367060

約数列:

[1, 2, 4, 5, 10, 20, 59, 61, 118, 122, 236, 244, 295, 305, 590, 610, 857, 1180, 1220, 1714, 3428, 3599, 4285, 7198, 8570, 14396, 17140, 17995, 35990, 50563, 52277, 71980, 101126, 104554, 202252, 209108, 252815, 261385, 505630, 522770, 1011260, 1045540, 3084343, 6168686, 12337372, 15421715, 30843430, 61686860]

約数ペア:

[(1, 61686860), (2, 30843430), (4, 15421715), (5, 12337372), (10, 6168686), (20, 3084343), (59, 1045540), (61, 1011260), (118, 522770), (122, 505630), (236, 261385), (244, 252815), (295, 209108), (305, 202252), (590, 104554), (610, 101126), (857, 71980), (1180, 52277), (1220, 50563), (1714, 35990), (3428, 17995), (3599, 17140), (4285, 14396), (7198, 8570)]