278522260

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{52951}}^1$

素因数の和:53223

約数の個数: 24

約数和(自身を含む): 587131776

約数和(自身を除く): 308609516

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 52951, 105902, 211804, 264755, 529510, 1059020, 13926113, 27852226, 55704452, 69630565, 139261130, 278522260]

約数ペア:

[(1, 278522260), (2, 139261130), (4, 69630565), (5, 55704452), (10, 27852226), (20, 13926113), (263, 1059020), (526, 529510), (1052, 264755), (1315, 211804), (2630, 105902), (5260, 52951)]