2017681300

素因数分解:

$2^2\times 5^2\times {\mathrm{257}}^1\times {\mathrm{78509}}^1$

素因数の和:78780

約数の個数: 36

約数和(自身を含む): 4395460860

約数和(自身を除く): 2377779560

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 257, 514, 1028, 1285, 2570, 5140, 6425, 12850, 25700, 78509, 157018, 314036, 392545, 785090, 1570180, 1962725, 3925450, 7850900, 20176813, 40353626, 80707252, 100884065, 201768130, 403536260, 504420325, 1008840650, 2017681300]

約数ペア:

[(1, 2017681300), (2, 1008840650), (4, 504420325), (5, 403536260), (10, 201768130), (20, 100884065), (25, 80707252), (50, 40353626), (100, 20176813), (257, 7850900), (514, 3925450), (1028, 1962725), (1285, 1570180), (2570, 785090), (5140, 392545), (6425, 314036), (12850, 157018), (25700, 78509)]