191831920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{673}}^1$

素因数の和:1202

約数の個数: 80

約数和(自身を含む): 511485120

約数和(自身を除く): 319653200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 509, 560, 673, 1018, 1346, 2036, 2545, 2692, 3365, 3563, 4072, 4711, 5090, 5384, 6730, 7126, 8144, 9422, 10180, 10768, 13460, 14252, 17815, 18844, 20360, 23555, 26920, 28504, 35630, 37688, 40720, 47110, 53840, 57008, 71260, 75376, 94220, 142520, 188440, 285040, 342557, 376880, 685114, 1370228, 1712785, 2397899, 2740456, 3425570, 4795798, 5480912, 6851140, 9591596, 11989495, 13702280, 19183192, 23978990, 27404560, 38366384, 47957980, 95915960, 191831920]

約数ペア:

[(1, 191831920), (2, 95915960), (4, 47957980), (5, 38366384), (7, 27404560), (8, 23978990), (10, 19183192), (14, 13702280), (16, 11989495), (20, 9591596), (28, 6851140), (35, 5480912), (40, 4795798), (56, 3425570), (70, 2740456), (80, 2397899), (112, 1712785), (140, 1370228), (280, 685114), (509, 376880), (560, 342557), (673, 285040), (1018, 188440), (1346, 142520), (2036, 94220), (2545, 75376), (2692, 71260), (3365, 57008), (3563, 53840), (4072, 47110), (4711, 40720), (5090, 37688), (5384, 35630), (6730, 28504), (7126, 26920), (8144, 23555), (9422, 20360), (10180, 18844), (10768, 17815), (13460, 14252)]