128201900

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{27277}}^1$

素因数の和:27338

約数の個数: 36

約数和(自身を含む): 284127648

約数和(自身を除く): 155925748

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 4700, 27277, 54554, 109108, 136385, 272770, 545540, 681925, 1282019, 1363850, 2564038, 2727700, 5128076, 6410095, 12820190, 25640380, 32050475, 64100950, 128201900]

約数ペア:

[(1, 128201900), (2, 64100950), (4, 32050475), (5, 25640380), (10, 12820190), (20, 6410095), (25, 5128076), (47, 2727700), (50, 2564038), (94, 1363850), (100, 1282019), (188, 681925), (235, 545540), (470, 272770), (940, 136385), (1175, 109108), (2350, 54554), (4700, 27277)]