1284012920

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{185551}}^1$

素因数の和:185735

約数の個数: 32

約数和(自身を含む): 2905744320

約数和(自身を除く): 1621731400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 185551, 371102, 742204, 927755, 1484408, 1855510, 3711020, 7422040, 32100323, 64200646, 128401292, 160501615, 256802584, 321003230, 642006460, 1284012920]

約数ペア:

[(1, 1284012920), (2, 642006460), (4, 321003230), (5, 256802584), (8, 160501615), (10, 128401292), (20, 64200646), (40, 32100323), (173, 7422040), (346, 3711020), (692, 1855510), (865, 1484408), (1384, 927755), (1730, 742204), (3460, 371102), (6920, 185551)]