8726060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 21129024

約数和(自身を除く): 12402964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 397, 628, 785, 794, 1099, 1570, 1588, 1985, 2198, 2779, 3140, 3970, 4396, 5495, 5558, 7940, 10990, 11116, 13895, 21980, 27790, 55580, 62329, 124658, 249316, 311645, 436303, 623290, 872606, 1246580, 1745212, 2181515, 4363030, 8726060]

約数ペア:

[(1, 8726060), (2, 4363030), (4, 2181515), (5, 1745212), (7, 1246580), (10, 872606), (14, 623290), (20, 436303), (28, 311645), (35, 249316), (70, 124658), (140, 62329), (157, 55580), (314, 27790), (397, 21980), (628, 13895), (785, 11116), (794, 10990), (1099, 7940), (1570, 5558), (1588, 5495), (1985, 4396), (2198, 3970), (2779, 3140)]