1019940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 2903040

約数和(自身を除く): 1883100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 191, 267, 356, 382, 445, 534, 573, 764, 890, 955, 1068, 1146, 1335, 1780, 1910, 2292, 2670, 2865, 3820, 5340, 5730, 11460, 16999, 33998, 50997, 67996, 84995, 101994, 169990, 203988, 254985, 339980, 509970, 1019940]

約数ペア:

[(1, 1019940), (2, 509970), (3, 339980), (4, 254985), (5, 203988), (6, 169990), (10, 101994), (12, 84995), (15, 67996), (20, 50997), (30, 33998), (60, 16999), (89, 11460), (178, 5730), (191, 5340), (267, 3820), (356, 2865), (382, 2670), (445, 2292), (534, 1910), (573, 1780), (764, 1335), (890, 1146), (955, 1068)]