402596870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{238223}}^1$

素因数の和:238256

約数の個数: 24

約数和(自身を含む): 784709856

約数和(自身を除く): 382112986

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 238223, 476446, 1191115, 2382230, 3096899, 6193798, 15484495, 30968990, 40259687, 80519374, 201298435, 402596870]

約数ペア:

[(1, 402596870), (2, 201298435), (5, 80519374), (10, 40259687), (13, 30968990), (26, 15484495), (65, 6193798), (130, 3096899), (169, 2382230), (338, 1191115), (845, 476446), (1690, 238223)]