797980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2347}}^1$

素因数の和:2373

約数の個数: 24

約数和(自身を含む): 1775088

約数和(自身を除く): 977108

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2347, 4694, 9388, 11735, 23470, 39899, 46940, 79798, 159596, 199495, 398990, 797980]

約数ペア:

[(1, 797980), (2, 398990), (4, 199495), (5, 159596), (10, 79798), (17, 46940), (20, 39899), (34, 23470), (68, 11735), (85, 9388), (170, 4694), (340, 2347)]