3982220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 9531648

約数和(自身を除く): 5549428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 787, 1012, 1265, 1574, 2530, 3148, 3935, 5060, 7870, 8657, 15740, 17314, 18101, 34628, 36202, 43285, 72404, 86570, 90505, 173140, 181010, 199111, 362020, 398222, 796444, 995555, 1991110, 3982220]

約数ペア:

[(1, 3982220), (2, 1991110), (4, 995555), (5, 796444), (10, 398222), (11, 362020), (20, 199111), (22, 181010), (23, 173140), (44, 90505), (46, 86570), (55, 72404), (92, 43285), (110, 36202), (115, 34628), (220, 18101), (230, 17314), (253, 15740), (460, 8657), (506, 7870), (787, 5060), (1012, 3935), (1265, 3148), (1574, 2530)]