2245500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{499}}^1$

素因数の和:524

約数の個数: 72

約数和(自身を含む): 7098000

約数和(自身を除く): 4852500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 499, 500, 750, 900, 998, 1125, 1497, 1500, 1996, 2250, 2495, 2994, 4491, 4500, 4990, 5988, 7485, 8982, 9980, 12475, 14970, 17964, 22455, 24950, 29940, 37425, 44910, 49900, 62375, 74850, 89820, 112275, 124750, 149700, 187125, 224550, 249500, 374250, 449100, 561375, 748500, 1122750, 2245500]

約数ペア:

[(1, 2245500), (2, 1122750), (3, 748500), (4, 561375), (5, 449100), (6, 374250), (9, 249500), (10, 224550), (12, 187125), (15, 149700), (18, 124750), (20, 112275), (25, 89820), (30, 74850), (36, 62375), (45, 49900), (50, 44910), (60, 37425), (75, 29940), (90, 24950), (100, 22455), (125, 17964), (150, 14970), (180, 12475), (225, 9980), (250, 8982), (300, 7485), (375, 5988), (450, 4990), (499, 4500), (500, 4491), (750, 2994), (900, 2495), (998, 2250), (1125, 1996), (1497, 1500)]