214022020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{1021}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 461518848

約数和(自身を除く): 247496828

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 223, 235, 446, 470, 892, 940, 1021, 1115, 2042, 2230, 4084, 4460, 5105, 10210, 10481, 20420, 20962, 41924, 47987, 52405, 95974, 104810, 191948, 209620, 227683, 239935, 455366, 479870, 910732, 959740, 1138415, 2276830, 4553660, 10701101, 21402202, 42804404, 53505505, 107011010, 214022020]

約数ペア:

[(1, 214022020), (2, 107011010), (4, 53505505), (5, 42804404), (10, 21402202), (20, 10701101), (47, 4553660), (94, 2276830), (188, 1138415), (223, 959740), (235, 910732), (446, 479870), (470, 455366), (892, 239935), (940, 227683), (1021, 209620), (1115, 191948), (2042, 104810), (2230, 95974), (4084, 52405), (4460, 47987), (5105, 41924), (10210, 20962), (10481, 20420)]