917620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 2173248

約数和(自身を除く): 1255628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 97, 110, 172, 194, 215, 220, 388, 430, 473, 485, 860, 946, 970, 1067, 1892, 1940, 2134, 2365, 4171, 4268, 4730, 5335, 8342, 9460, 10670, 16684, 20855, 21340, 41710, 45881, 83420, 91762, 183524, 229405, 458810, 917620]

約数ペア:

[(1, 917620), (2, 458810), (4, 229405), (5, 183524), (10, 91762), (11, 83420), (20, 45881), (22, 41710), (43, 21340), (44, 20855), (55, 16684), (86, 10670), (97, 9460), (110, 8342), (172, 5335), (194, 4730), (215, 4268), (220, 4171), (388, 2365), (430, 2134), (473, 1940), (485, 1892), (860, 1067), (946, 970)]