68829740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1913}}^1$

素因数の和:2186

約数の個数: 48

約数和(自身を含む): 165920832

約数和(自身を除く): 97091092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1799, 1913, 2570, 3598, 3826, 5140, 7196, 7652, 8995, 9565, 13391, 17990, 19130, 26782, 35980, 38260, 53564, 66955, 133910, 267820, 491641, 983282, 1966564, 2458205, 3441487, 4916410, 6882974, 9832820, 13765948, 17207435, 34414870, 68829740]

約数ペア:

[(1, 68829740), (2, 34414870), (4, 17207435), (5, 13765948), (7, 9832820), (10, 6882974), (14, 4916410), (20, 3441487), (28, 2458205), (35, 1966564), (70, 983282), (140, 491641), (257, 267820), (514, 133910), (1028, 66955), (1285, 53564), (1799, 38260), (1913, 35980), (2570, 26782), (3598, 19130), (3826, 17990), (5140, 13391), (7196, 9565), (7652, 8995)]