2783235920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{14723}}^1$

素因数の和:14892

約数の個数: 80

約数和(自身を含む): 6901433280

約数和(自身を除く): 4118197360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 139, 170, 272, 278, 340, 556, 680, 695, 1112, 1360, 1390, 2224, 2363, 2780, 4726, 5560, 9452, 11120, 11815, 14723, 18904, 23630, 29446, 37808, 47260, 58892, 73615, 94520, 117784, 147230, 189040, 235568, 250291, 294460, 500582, 588920, 1001164, 1177840, 1251455, 2002328, 2046497, 2502910, 4004656, 4092994, 5005820, 8185988, 10011640, 10232485, 16371976, 20023280, 20464970, 32743952, 34790449, 40929940, 69580898, 81859880, 139161796, 163719760, 173952245, 278323592, 347904490, 556647184, 695808980, 1391617960, 2783235920]

約数ペア:

[(1, 2783235920), (2, 1391617960), (4, 695808980), (5, 556647184), (8, 347904490), (10, 278323592), (16, 173952245), (17, 163719760), (20, 139161796), (34, 81859880), (40, 69580898), (68, 40929940), (80, 34790449), (85, 32743952), (136, 20464970), (139, 20023280), (170, 16371976), (272, 10232485), (278, 10011640), (340, 8185988), (556, 5005820), (680, 4092994), (695, 4004656), (1112, 2502910), (1360, 2046497), (1390, 2002328), (2224, 1251455), (2363, 1177840), (2780, 1001164), (4726, 588920), (5560, 500582), (9452, 294460), (11120, 250291), (11815, 235568), (14723, 189040), (18904, 147230), (23630, 117784), (29446, 94520), (37808, 73615), (47260, 58892)]