2119980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 6017760

約数和(自身を除く): 3897780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 397, 445, 534, 794, 890, 1068, 1191, 1335, 1588, 1780, 1985, 2382, 2670, 3970, 4764, 5340, 5955, 7940, 11910, 23820, 35333, 70666, 105999, 141332, 176665, 211998, 353330, 423996, 529995, 706660, 1059990, 2119980]

約数ペア:

[(1, 2119980), (2, 1059990), (3, 706660), (4, 529995), (5, 423996), (6, 353330), (10, 211998), (12, 176665), (15, 141332), (20, 105999), (30, 70666), (60, 35333), (89, 23820), (178, 11910), (267, 7940), (356, 5955), (397, 5340), (445, 4764), (534, 3970), (794, 2670), (890, 2382), (1068, 1985), (1191, 1780), (1335, 1588)]