84107980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{863}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 193342464

約数和(自身を除く): 109234484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 443, 863, 886, 1726, 1772, 2215, 3452, 4315, 4430, 4873, 8630, 8860, 9493, 9746, 17260, 18986, 19492, 24365, 37972, 47465, 48730, 94930, 97460, 189860, 382309, 764618, 1529236, 1911545, 3823090, 4205399, 7646180, 8410798, 16821596, 21026995, 42053990, 84107980]

約数ペア:

[(1, 84107980), (2, 42053990), (4, 21026995), (5, 16821596), (10, 8410798), (11, 7646180), (20, 4205399), (22, 3823090), (44, 1911545), (55, 1529236), (110, 764618), (220, 382309), (443, 189860), (863, 97460), (886, 94930), (1726, 48730), (1772, 47465), (2215, 37972), (3452, 24365), (4315, 19492), (4430, 18986), (4873, 17260), (8630, 9746), (8860, 9493)]