268728140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{1087}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 579059712

約数和(自身を除く): 310331572

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 263, 470, 526, 940, 1052, 1087, 1315, 2174, 2630, 4348, 5260, 5435, 10870, 12361, 21740, 24722, 49444, 51089, 61805, 102178, 123610, 204356, 247220, 255445, 285881, 510890, 571762, 1021780, 1143524, 1429405, 2858810, 5717620, 13436407, 26872814, 53745628, 67182035, 134364070, 268728140]

約数ペア:

[(1, 268728140), (2, 134364070), (4, 67182035), (5, 53745628), (10, 26872814), (20, 13436407), (47, 5717620), (94, 2858810), (188, 1429405), (235, 1143524), (263, 1021780), (470, 571762), (526, 510890), (940, 285881), (1052, 255445), (1087, 247220), (1315, 204356), (2174, 123610), (2630, 102178), (4348, 61805), (5260, 51089), (5435, 49444), (10870, 24722), (12361, 21740)]