948778840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1395263}}^1$

素因数の和:1395291

約数の個数: 32

約数和(自身を含む): 2260327680

約数和(自身を除く): 1311548840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1395263, 2790526, 5581052, 6976315, 11162104, 13952630, 23719471, 27905260, 47438942, 55810520, 94877884, 118597355, 189755768, 237194710, 474389420, 948778840]

約数ペア:

[(1, 948778840), (2, 474389420), (4, 237194710), (5, 189755768), (8, 118597355), (10, 94877884), (17, 55810520), (20, 47438942), (34, 27905260), (40, 23719471), (68, 13952630), (85, 11162104), (136, 6976315), (170, 5581052), (340, 2790526), (680, 1395263)]