686523920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{504797}}^1$

素因数の和:504827

約数の個数: 40

約数和(自身を含む): 1690063704

約数和(自身を除く): 1003539784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 504797, 1009594, 2019188, 2523985, 4038376, 5047970, 8076752, 8581549, 10095940, 17163098, 20191880, 34326196, 40383760, 42907745, 68652392, 85815490, 137304784, 171630980, 343261960, 686523920]

約数ペア:

[(1, 686523920), (2, 343261960), (4, 171630980), (5, 137304784), (8, 85815490), (10, 68652392), (16, 42907745), (17, 40383760), (20, 34326196), (34, 20191880), (40, 17163098), (68, 10095940), (80, 8581549), (85, 8076752), (136, 5047970), (170, 4038376), (272, 2523985), (340, 2019188), (680, 1009594), (1360, 504797)]