2055572

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 4213440

約数和(自身を除く): 2157868

約数列:

[1, 2, 4, 17, 19, 34, 37, 38, 43, 68, 74, 76, 86, 148, 172, 323, 629, 646, 703, 731, 817, 1258, 1292, 1406, 1462, 1591, 1634, 2516, 2812, 2924, 3182, 3268, 6364, 11951, 13889, 23902, 27047, 27778, 30229, 47804, 54094, 55556, 60458, 108188, 120916, 513893, 1027786, 2055572]

約数ペア:

[(1, 2055572), (2, 1027786), (4, 513893), (17, 120916), (19, 108188), (34, 60458), (37, 55556), (38, 54094), (43, 47804), (68, 30229), (74, 27778), (76, 27047), (86, 23902), (148, 13889), (172, 11951), (323, 6364), (629, 3268), (646, 3182), (703, 2924), (731, 2812), (817, 2516), (1258, 1634), (1292, 1591), (1406, 1462)]