90253990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{11047}}^1$

素因数の和:11116

約数の個数: 32

約数和(自身を含む): 175000320

約数和(自身を除く): 84746330

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 11047, 22094, 55235, 110470, 209893, 419786, 475021, 950042, 1049465, 2098930, 2375105, 4750210, 9025399, 18050798, 45126995, 90253990]

約数ペア:

[(1, 90253990), (2, 45126995), (5, 18050798), (10, 9025399), (19, 4750210), (38, 2375105), (43, 2098930), (86, 1049465), (95, 950042), (190, 475021), (215, 419786), (430, 209893), (817, 110470), (1634, 55235), (4085, 22094), (8170, 11047)]