2019998735

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 2645848800

約数和(自身を除く): 625850065

約数列:

[1, 5, 17, 85, 89, 113, 139, 289, 445, 565, 695, 1445, 1513, 1921, 2363, 7565, 9605, 10057, 11815, 12371, 15707, 25721, 32657, 40171, 50285, 61855, 78535, 128605, 163285, 170969, 200855, 210307, 267019, 854845, 1051535, 1335095, 1397923, 2906473, 3575219, 4539323, 6989615, 14532365, 17876095, 22696615, 23764691, 118823455, 403999747, 2019998735]

約数ペア:

[(1, 2019998735), (5, 403999747), (17, 118823455), (85, 23764691), (89, 22696615), (113, 17876095), (139, 14532365), (289, 6989615), (445, 4539323), (565, 3575219), (695, 2906473), (1445, 1397923), (1513, 1335095), (1921, 1051535), (2363, 854845), (7565, 267019), (9605, 210307), (10057, 200855), (11815, 170969), (12371, 163285), (15707, 128605), (25721, 78535), (32657, 61855), (40171, 50285)]