381534320

素因数分解:

$2^4\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{2549}}^1$

素因数の和:4433

約数の個数: 40

約数和(自身を含む): 887889600

約数和(自身を除く): 506355280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1871, 2549, 3742, 5098, 7484, 9355, 10196, 12745, 14968, 18710, 20392, 25490, 29936, 37420, 40784, 50980, 74840, 101960, 149680, 203920, 4769179, 9538358, 19076716, 23845895, 38153432, 47691790, 76306864, 95383580, 190767160, 381534320]

約数ペア:

[(1, 381534320), (2, 190767160), (4, 95383580), (5, 76306864), (8, 47691790), (10, 38153432), (16, 23845895), (20, 19076716), (40, 9538358), (80, 4769179), (1871, 203920), (2549, 149680), (3742, 101960), (5098, 74840), (7484, 50980), (9355, 40784), (10196, 37420), (12745, 29936), (14968, 25490), (18710, 20392)]