68197880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{100291}}^1$

素因数の和:100319

約数の個数: 32

約数和(自身を含む): 162473040

約数和(自身を除く): 94275160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 100291, 200582, 401164, 501455, 802328, 1002910, 1704947, 2005820, 3409894, 4011640, 6819788, 8524735, 13639576, 17049470, 34098940, 68197880]

約数ペア:

[(1, 68197880), (2, 34098940), (4, 17049470), (5, 13639576), (8, 8524735), (10, 6819788), (17, 4011640), (20, 3409894), (34, 2005820), (40, 1704947), (68, 1002910), (85, 802328), (136, 501455), (170, 401164), (340, 200582), (680, 100291)]