7897820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8059}}^1$

素因数の和:8082

約数の個数: 36

約数和(自身を含む): 19295640

約数和(自身を除く): 11397820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8059, 16118, 32236, 40295, 56413, 80590, 112826, 161180, 225652, 282065, 394891, 564130, 789782, 1128260, 1579564, 1974455, 3948910, 7897820]

約数ペア:

[(1, 7897820), (2, 3948910), (4, 1974455), (5, 1579564), (7, 1128260), (10, 789782), (14, 564130), (20, 394891), (28, 282065), (35, 225652), (49, 161180), (70, 112826), (98, 80590), (140, 56413), (196, 40295), (245, 32236), (490, 16118), (980, 8059)]