248551490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{72889}}^1$

素因数の和:72938

約数の個数: 32

約数和(自身を含む): 503815680

約数和(自身を除く): 255264190

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 72889, 145778, 364445, 728890, 801779, 1603558, 2259559, 4008895, 4519118, 8017790, 11297795, 22595590, 24855149, 49710298, 124275745, 248551490]

約数ペア:

[(1, 248551490), (2, 124275745), (5, 49710298), (10, 24855149), (11, 22595590), (22, 11297795), (31, 8017790), (55, 4519118), (62, 4008895), (110, 2259559), (155, 1603558), (310, 801779), (341, 728890), (682, 364445), (1705, 145778), (3410, 72889)]