248289320

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{20219}}^1$

素因数の和:20537

約数の個数: 32

約数和(自身を含む): 560498400

約数和(自身を除く): 312209080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 12280, 20219, 40438, 80876, 101095, 161752, 202190, 404380, 808760, 6207233, 12414466, 24828932, 31036165, 49657864, 62072330, 124144660, 248289320]

約数ペア:

[(1, 248289320), (2, 124144660), (4, 62072330), (5, 49657864), (8, 31036165), (10, 24828932), (20, 12414466), (40, 6207233), (307, 808760), (614, 404380), (1228, 202190), (1535, 161752), (2456, 101095), (3070, 80876), (6140, 40438), (12280, 20219)]