997182140

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{4441}}^1$

素因数の和:4662

約数の個数: 48

約数和(自身を含む): 2134292160

約数和(自身を除く): 1137110020

約数列:

[1, 2, 4, 5, 10, 20, 103, 109, 206, 218, 412, 436, 515, 545, 1030, 1090, 2060, 2180, 4441, 8882, 11227, 17764, 22205, 22454, 44410, 44908, 56135, 88820, 112270, 224540, 457423, 484069, 914846, 968138, 1829692, 1936276, 2287115, 2420345, 4574230, 4840690, 9148460, 9681380, 49859107, 99718214, 199436428, 249295535, 498591070, 997182140]

約数ペア:

[(1, 997182140), (2, 498591070), (4, 249295535), (5, 199436428), (10, 99718214), (20, 49859107), (103, 9681380), (109, 9148460), (206, 4840690), (218, 4574230), (412, 2420345), (436, 2287115), (515, 1936276), (545, 1829692), (1030, 968138), (1090, 914846), (2060, 484069), (2180, 457423), (4441, 224540), (8882, 112270), (11227, 88820), (17764, 56135), (22205, 44908), (22454, 44410)]