83779000

素因数分解:

$2^3\times 5^3\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 197496000

約数和(自身を除く): 113717000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 199, 200, 250, 398, 421, 500, 796, 842, 995, 1000, 1592, 1684, 1990, 2105, 3368, 3980, 4210, 4975, 7960, 8420, 9950, 10525, 16840, 19900, 21050, 24875, 39800, 42100, 49750, 52625, 83779, 84200, 99500, 105250, 167558, 199000, 210500, 335116, 418895, 421000, 670232, 837790, 1675580, 2094475, 3351160, 4188950, 8377900, 10472375, 16755800, 20944750, 41889500, 83779000]

約数ペア:

[(1, 83779000), (2, 41889500), (4, 20944750), (5, 16755800), (8, 10472375), (10, 8377900), (20, 4188950), (25, 3351160), (40, 2094475), (50, 1675580), (100, 837790), (125, 670232), (199, 421000), (200, 418895), (250, 335116), (398, 210500), (421, 199000), (500, 167558), (796, 105250), (842, 99500), (995, 84200), (1000, 83779), (1592, 52625), (1684, 49750), (1990, 42100), (2105, 39800), (3368, 24875), (3980, 21050), (4210, 19900), (4975, 16840), (7960, 10525), (8420, 9950)]