149717980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{440347}}^1$

素因数の和:440373

約数の個数: 24

約数和(自身を含む): 332903088

約数和(自身を除く): 183185108

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 440347, 880694, 1761388, 2201735, 4403470, 7485899, 8806940, 14971798, 29943596, 37429495, 74858990, 149717980]

約数ペア:

[(1, 149717980), (2, 74858990), (4, 37429495), (5, 29943596), (10, 14971798), (17, 8806940), (20, 7485899), (34, 4403470), (68, 2201735), (85, 1761388), (170, 880694), (340, 440347)]