203480980

素因数分解:

$2^2\times 5^1\times {\mathrm{2749}}^1\times {\mathrm{3701}}^1$

素因数の和:6459

約数の個数: 24

約数和(自身を含む): 427581000

約数和(自身を除く): 224100020

約数列:

[1, 2, 4, 5, 10, 20, 2749, 3701, 5498, 7402, 10996, 13745, 14804, 18505, 27490, 37010, 54980, 74020, 10174049, 20348098, 40696196, 50870245, 101740490, 203480980]

約数ペア:

[(1, 203480980), (2, 101740490), (4, 50870245), (5, 40696196), (10, 20348098), (20, 10174049), (2749, 74020), (3701, 54980), (5498, 37010), (7402, 27490), (10996, 18505), (13745, 14804)]