168704620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{25639}}^1$

素因数の和:25702

約数の個数: 48

約数和(自身を含む): 413521920

約数和(自身を除く): 244817300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 25639, 51278, 102556, 128195, 179473, 256390, 358946, 512780, 717892, 897365, 1205033, 1794730, 2410066, 3589460, 4820132, 6025165, 8435231, 12050330, 16870462, 24100660, 33740924, 42176155, 84352310, 168704620]

約数ペア:

[(1, 168704620), (2, 84352310), (4, 42176155), (5, 33740924), (7, 24100660), (10, 16870462), (14, 12050330), (20, 8435231), (28, 6025165), (35, 4820132), (47, 3589460), (70, 2410066), (94, 1794730), (140, 1205033), (188, 897365), (235, 717892), (329, 512780), (470, 358946), (658, 256390), (940, 179473), (1316, 128195), (1645, 102556), (3290, 51278), (6580, 25639)]