290428984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 595216800

約数和(自身を除く): 304787816

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 113, 148, 152, 226, 296, 452, 457, 703, 904, 914, 1406, 1828, 2147, 2812, 3656, 4181, 4294, 5624, 8362, 8588, 8683, 16724, 16909, 17176, 17366, 33448, 33818, 34732, 51641, 67636, 69464, 79439, 103282, 135272, 158878, 206564, 317756, 321271, 413128, 635512, 642542, 981179, 1285084, 1910717, 1962358, 2570168, 3821434, 3924716, 7642868, 7849432, 15285736, 36303623, 72607246, 145214492, 290428984]

約数ペア:

[(1, 290428984), (2, 145214492), (4, 72607246), (8, 36303623), (19, 15285736), (37, 7849432), (38, 7642868), (74, 3924716), (76, 3821434), (113, 2570168), (148, 1962358), (152, 1910717), (226, 1285084), (296, 981179), (452, 642542), (457, 635512), (703, 413128), (904, 321271), (914, 317756), (1406, 206564), (1828, 158878), (2147, 135272), (2812, 103282), (3656, 79439), (4181, 69464), (4294, 67636), (5624, 51641), (8362, 34732), (8588, 33818), (8683, 33448), (16724, 17366), (16909, 17176)]