1880452490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{2213}}^1$

素因数の和:2487

約数の個数: 64

約数和(自身を含む): 3953318400

約数和(自身を除く): 2072865910

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 199, 305, 398, 427, 610, 854, 995, 1393, 1990, 2135, 2213, 2786, 4270, 4426, 6965, 11065, 12139, 13930, 15491, 22130, 24278, 30982, 60695, 77455, 84973, 121390, 134993, 154910, 169946, 269986, 424865, 440387, 674965, 849730, 880774, 944951, 1349930, 1889902, 2201935, 3082709, 4403870, 4724755, 6165418, 9449510, 15413545, 26863607, 30827090, 53727214, 134318035, 188045249, 268636070, 376090498, 940226245, 1880452490]

約数ペア:

[(1, 1880452490), (2, 940226245), (5, 376090498), (7, 268636070), (10, 188045249), (14, 134318035), (35, 53727214), (61, 30827090), (70, 26863607), (122, 15413545), (199, 9449510), (305, 6165418), (398, 4724755), (427, 4403870), (610, 3082709), (854, 2201935), (995, 1889902), (1393, 1349930), (1990, 944951), (2135, 880774), (2213, 849730), (2786, 674965), (4270, 440387), (4426, 424865), (6965, 269986), (11065, 169946), (12139, 154910), (13930, 134993), (15491, 121390), (22130, 84973), (24278, 77455), (30982, 60695)]