78468110

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{22877}}^1$

素因数の和:22905

約数の個数: 32

約数和(自身を含む): 164721600

約数和(自身を除く): 86253490

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 22877, 45754, 114385, 160139, 228770, 320278, 800695, 1120973, 1601390, 2241946, 5604865, 7846811, 11209730, 15693622, 39234055, 78468110]

約数ペア:

[(1, 78468110), (2, 39234055), (5, 15693622), (7, 11209730), (10, 7846811), (14, 5604865), (35, 2241946), (49, 1601390), (70, 1120973), (98, 800695), (245, 320278), (343, 228770), (490, 160139), (686, 114385), (1715, 45754), (3430, 22877)]