2179970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 4339440

約数和(自身を除く): 2159470

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 409, 410, 533, 818, 1066, 2045, 2665, 4090, 5317, 5330, 10634, 16769, 26585, 33538, 53170, 83845, 167690, 217997, 435994, 1089985, 2179970]

約数ペア:

[(1, 2179970), (2, 1089985), (5, 435994), (10, 217997), (13, 167690), (26, 83845), (41, 53170), (65, 33538), (82, 26585), (130, 16769), (205, 10634), (409, 5330), (410, 5317), (533, 4090), (818, 2665), (1066, 2045)]