656242520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1\times {\mathrm{1471}}^1$

素因数の和:2088

約数の個数: 64

約数和(自身を含む): 1557964800

約数和(自身を除く): 901722280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 587, 760, 1174, 1471, 2348, 2935, 2942, 4696, 5870, 5884, 7355, 11153, 11740, 11768, 14710, 22306, 23480, 27949, 29420, 44612, 55765, 55898, 58840, 89224, 111530, 111796, 139745, 223060, 223592, 279490, 446120, 558980, 863477, 1117960, 1726954, 3453908, 4317385, 6907816, 8634770, 16406063, 17269540, 32812126, 34539080, 65624252, 82030315, 131248504, 164060630, 328121260, 656242520]

約数ペア:

[(1, 656242520), (2, 328121260), (4, 164060630), (5, 131248504), (8, 82030315), (10, 65624252), (19, 34539080), (20, 32812126), (38, 17269540), (40, 16406063), (76, 8634770), (95, 6907816), (152, 4317385), (190, 3453908), (380, 1726954), (587, 1117960), (760, 863477), (1174, 558980), (1471, 446120), (2348, 279490), (2935, 223592), (2942, 223060), (4696, 139745), (5870, 111796), (5884, 111530), (7355, 89224), (11153, 58840), (11740, 55898), (11768, 55765), (14710, 44612), (22306, 29420), (23480, 27949)]