1490249820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{279073}}^1$

素因数の和:279174

約数の個数: 48

約数和(自身を含む): 4219598880

約数和(自身を除く): 2729349060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 279073, 558146, 837219, 1116292, 1395365, 1674438, 2790730, 3348876, 4186095, 5581460, 8372190, 16744380, 24837497, 49674994, 74512491, 99349988, 124187485, 149024982, 248374970, 298049964, 372562455, 496749940, 745124910, 1490249820]

約数ペア:

[(1, 1490249820), (2, 745124910), (3, 496749940), (4, 372562455), (5, 298049964), (6, 248374970), (10, 149024982), (12, 124187485), (15, 99349988), (20, 74512491), (30, 49674994), (60, 24837497), (89, 16744380), (178, 8372190), (267, 5581460), (356, 4186095), (445, 3348876), (534, 2790730), (890, 1674438), (1068, 1395365), (1335, 1116292), (1780, 837219), (2670, 558146), (5340, 279073)]