9129620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 20321280

約数和(自身を除く): 11191660

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 223, 230, 356, 445, 446, 460, 890, 892, 1115, 1780, 2047, 2230, 4094, 4460, 5129, 8188, 10235, 10258, 19847, 20470, 20516, 25645, 39694, 40940, 51290, 79388, 99235, 102580, 198470, 396940, 456481, 912962, 1825924, 2282405, 4564810, 9129620]

約数ペア:

[(1, 9129620), (2, 4564810), (4, 2282405), (5, 1825924), (10, 912962), (20, 456481), (23, 396940), (46, 198470), (89, 102580), (92, 99235), (115, 79388), (178, 51290), (223, 40940), (230, 39694), (356, 25645), (445, 20516), (446, 20470), (460, 19847), (890, 10258), (892, 10235), (1115, 8188), (1780, 5129), (2047, 4460), (2230, 4094)]