30886520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2347}}^1$

素因数の和:2412

約数の個数: 64

約数和(自身を含む): 81146880

約数和(自身を除く): 50260360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2347, 2632, 3290, 4694, 6580, 9388, 11735, 13160, 16429, 18776, 23470, 32858, 46940, 65716, 82145, 93880, 110309, 131432, 164290, 220618, 328580, 441236, 551545, 657160, 772163, 882472, 1103090, 1544326, 2206180, 3088652, 3860815, 4412360, 6177304, 7721630, 15443260, 30886520]

約数ペア:

[(1, 30886520), (2, 15443260), (4, 7721630), (5, 6177304), (7, 4412360), (8, 3860815), (10, 3088652), (14, 2206180), (20, 1544326), (28, 1103090), (35, 882472), (40, 772163), (47, 657160), (56, 551545), (70, 441236), (94, 328580), (140, 220618), (188, 164290), (235, 131432), (280, 110309), (329, 93880), (376, 82145), (470, 65716), (658, 46940), (940, 32858), (1316, 23470), (1645, 18776), (1880, 16429), (2347, 13160), (2632, 11735), (3290, 9388), (4694, 6580)]