16961900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2389}}^1$

素因数の和:2474

約数の個数: 36

約数和(自身を含む): 37341360

約数和(自身を除く): 20379460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 2389, 3550, 4778, 7100, 9556, 11945, 23890, 47780, 59725, 119450, 169619, 238900, 339238, 678476, 848095, 1696190, 3392380, 4240475, 8480950, 16961900]

約数ペア:

[(1, 16961900), (2, 8480950), (4, 4240475), (5, 3392380), (10, 1696190), (20, 848095), (25, 678476), (50, 339238), (71, 238900), (100, 169619), (142, 119450), (284, 59725), (355, 47780), (710, 23890), (1420, 11945), (1775, 9556), (2389, 7100), (3550, 4778)]