78778340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{231701}}^1$

素因数の和:231727

約数の個数: 24

約数和(自身を含む): 175166712

約数和(自身を除く): 96388372

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 231701, 463402, 926804, 1158505, 2317010, 3938917, 4634020, 7877834, 15755668, 19694585, 39389170, 78778340]

約数ペア:

[(1, 78778340), (2, 39389170), (4, 19694585), (5, 15755668), (10, 7877834), (17, 4634020), (20, 3938917), (34, 2317010), (68, 1158505), (85, 926804), (170, 463402), (340, 231701)]