90221230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:633

約数の個数: 48

約数和(自身を含む): 179952192

約数和(自身を除く): 89730962

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 173, 242, 346, 431, 605, 862, 865, 1210, 1730, 1903, 2155, 3806, 4310, 4741, 9482, 9515, 19030, 20933, 23705, 41866, 47410, 52151, 74563, 104302, 104665, 149126, 209330, 260755, 372815, 521510, 745630, 820193, 1640386, 4100965, 8201930, 9022123, 18044246, 45110615, 90221230]

約数ペア:

[(1, 90221230), (2, 45110615), (5, 18044246), (10, 9022123), (11, 8201930), (22, 4100965), (55, 1640386), (110, 820193), (121, 745630), (173, 521510), (242, 372815), (346, 260755), (431, 209330), (605, 149126), (862, 104665), (865, 104302), (1210, 74563), (1730, 52151), (1903, 47410), (2155, 41866), (3806, 23705), (4310, 20933), (4741, 19030), (9482, 9515)]