128061740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{3463}}^1$

素因数の和:3558

約数の個数: 36

約数和(自身を含む): 275408784

約数和(自身を除く): 147347044

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1849, 3463, 3698, 6926, 7396, 9245, 13852, 17315, 18490, 34630, 36980, 69260, 148909, 297818, 595636, 744545, 1489090, 2978180, 6403087, 12806174, 25612348, 32015435, 64030870, 128061740]

約数ペア:

[(1, 128061740), (2, 64030870), (4, 32015435), (5, 25612348), (10, 12806174), (20, 6403087), (43, 2978180), (86, 1489090), (172, 744545), (215, 595636), (430, 297818), (860, 148909), (1849, 69260), (3463, 36980), (3698, 34630), (6926, 18490), (7396, 17315), (9245, 13852)]