320445860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{947}}^1\times {\mathrm{2417}}^1$

素因数の和:3380

約数の個数: 48

約数和(自身を含む): 770200704

約数和(自身を除く): 449754844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 947, 1894, 2417, 3788, 4735, 4834, 6629, 9470, 9668, 12085, 13258, 16919, 18940, 24170, 26516, 33145, 33838, 48340, 66290, 67676, 84595, 132580, 169190, 338380, 2288899, 4577798, 9155596, 11444495, 16022293, 22888990, 32044586, 45777980, 64089172, 80111465, 160222930, 320445860]

約数ペア:

[(1, 320445860), (2, 160222930), (4, 80111465), (5, 64089172), (7, 45777980), (10, 32044586), (14, 22888990), (20, 16022293), (28, 11444495), (35, 9155596), (70, 4577798), (140, 2288899), (947, 338380), (1894, 169190), (2417, 132580), (3788, 84595), (4735, 67676), (4834, 66290), (6629, 48340), (9470, 33838), (9668, 33145), (12085, 26516), (13258, 24170), (16919, 18940)]