156621340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{1663}}^1$

素因数の和:1966

約数の個数: 48

約数和(自身を含む): 349719552

約数和(自身を除く): 193098212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 277, 340, 554, 1108, 1385, 1663, 2770, 3326, 4709, 5540, 6652, 8315, 9418, 16630, 18836, 23545, 28271, 33260, 47090, 56542, 94180, 113084, 141355, 282710, 460651, 565420, 921302, 1842604, 2303255, 4606510, 7831067, 9213020, 15662134, 31324268, 39155335, 78310670, 156621340]

約数ペア:

[(1, 156621340), (2, 78310670), (4, 39155335), (5, 31324268), (10, 15662134), (17, 9213020), (20, 7831067), (34, 4606510), (68, 2303255), (85, 1842604), (170, 921302), (277, 565420), (340, 460651), (554, 282710), (1108, 141355), (1385, 113084), (1663, 94180), (2770, 56542), (3326, 47090), (4709, 33260), (5540, 28271), (6652, 23545), (8315, 18836), (9418, 16630)]