2008955080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{30643}}^1$

素因数の和:30814

約数の個数: 64

約数和(自身を含む): 4964328000

約数和(自身を除く): 2955372920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 220, 298, 440, 596, 745, 1192, 1490, 1639, 2980, 3278, 5960, 6556, 8195, 13112, 16390, 30643, 32780, 61286, 65560, 122572, 153215, 245144, 306430, 337073, 612860, 674146, 1225720, 1348292, 1685365, 2696584, 3370730, 4565807, 6741460, 9131614, 13482920, 18263228, 22829035, 36526456, 45658070, 50223877, 91316140, 100447754, 182632280, 200895508, 251119385, 401791016, 502238770, 1004477540, 2008955080]

約数ペア:

[(1, 2008955080), (2, 1004477540), (4, 502238770), (5, 401791016), (8, 251119385), (10, 200895508), (11, 182632280), (20, 100447754), (22, 91316140), (40, 50223877), (44, 45658070), (55, 36526456), (88, 22829035), (110, 18263228), (149, 13482920), (220, 9131614), (298, 6741460), (440, 4565807), (596, 3370730), (745, 2696584), (1192, 1685365), (1490, 1348292), (1639, 1225720), (2980, 674146), (3278, 612860), (5960, 337073), (6556, 306430), (8195, 245144), (13112, 153215), (16390, 122572), (30643, 65560), (32780, 61286)]