84231260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{247739}}^1$

素因数の和:247765

約数の個数: 24

約数和(自身を含む): 187291440

約数和(自身を除く): 103060180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 247739, 495478, 990956, 1238695, 2477390, 4211563, 4954780, 8423126, 16846252, 21057815, 42115630, 84231260]

約数ペア:

[(1, 84231260), (2, 42115630), (4, 21057815), (5, 16846252), (10, 8423126), (17, 4954780), (20, 4211563), (34, 2477390), (68, 1238695), (85, 990956), (170, 495478), (340, 247739)]