285355880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{3019}}^1$

素因数の和:3186

約数の個数: 64

約数和(自身を含む): 684936000

約数和(自身を除く): 399580120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 139, 170, 278, 340, 556, 680, 695, 1112, 1390, 2363, 2780, 3019, 4726, 5560, 6038, 9452, 11815, 12076, 15095, 18904, 23630, 24152, 30190, 47260, 51323, 60380, 94520, 102646, 120760, 205292, 256615, 410584, 419641, 513230, 839282, 1026460, 1678564, 2052920, 2098205, 3357128, 4196410, 7133897, 8392820, 14267794, 16785640, 28535588, 35669485, 57071176, 71338970, 142677940, 285355880]

約数ペア:

[(1, 285355880), (2, 142677940), (4, 71338970), (5, 57071176), (8, 35669485), (10, 28535588), (17, 16785640), (20, 14267794), (34, 8392820), (40, 7133897), (68, 4196410), (85, 3357128), (136, 2098205), (139, 2052920), (170, 1678564), (278, 1026460), (340, 839282), (556, 513230), (680, 419641), (695, 410584), (1112, 256615), (1390, 205292), (2363, 120760), (2780, 102646), (3019, 94520), (4726, 60380), (5560, 51323), (6038, 47260), (9452, 30190), (11815, 24152), (12076, 23630), (15095, 18904)]