12984580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{569}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 31409280

約数和(自身を除く): 18424700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 569, 652, 815, 1138, 1141, 1630, 2276, 2282, 2845, 3260, 3983, 4564, 5690, 5705, 7966, 11380, 11410, 15932, 19915, 22820, 39830, 79660, 92747, 185494, 370988, 463735, 649229, 927470, 1298458, 1854940, 2596916, 3246145, 6492290, 12984580]

約数ペア:

[(1, 12984580), (2, 6492290), (4, 3246145), (5, 2596916), (7, 1854940), (10, 1298458), (14, 927470), (20, 649229), (28, 463735), (35, 370988), (70, 185494), (140, 92747), (163, 79660), (326, 39830), (569, 22820), (652, 19915), (815, 15932), (1138, 11410), (1141, 11380), (1630, 7966), (2276, 5705), (2282, 5690), (2845, 4564), (3260, 3983)]