12191690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 25855200

約数和(自身を除く): 13663510

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 139, 179, 245, 278, 358, 490, 695, 895, 973, 1253, 1390, 1790, 1946, 2506, 4865, 6265, 6811, 8771, 9730, 12530, 13622, 17542, 24881, 34055, 43855, 49762, 68110, 87710, 124405, 174167, 248810, 348334, 870835, 1219169, 1741670, 2438338, 6095845, 12191690]

約数ペア:

[(1, 12191690), (2, 6095845), (5, 2438338), (7, 1741670), (10, 1219169), (14, 870835), (35, 348334), (49, 248810), (70, 174167), (98, 124405), (139, 87710), (179, 68110), (245, 49762), (278, 43855), (358, 34055), (490, 24881), (695, 17542), (895, 13622), (973, 12530), (1253, 9730), (1390, 8771), (1790, 6811), (1946, 6265), (2506, 4865)]