399791810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{117241}}^1$

素因数の和:117290

約数の個数: 32

約数和(自身を含む): 810376704

約数和(自身を除く): 410584894

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 117241, 234482, 586205, 1172410, 1289651, 2579302, 3634471, 6448255, 7268942, 12896510, 18172355, 36344710, 39979181, 79958362, 199895905, 399791810]

約数ペア:

[(1, 399791810), (2, 199895905), (5, 79958362), (10, 39979181), (11, 36344710), (22, 18172355), (31, 12896510), (55, 7268942), (62, 6448255), (110, 3634471), (155, 2579302), (310, 1289651), (341, 1172410), (682, 586205), (1705, 234482), (3410, 117241)]