239997000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{79999}}^1$

素因数の和:80023

約数の個数: 64

約数和(自身を含む): 748800000

約数和(自身を除く): 508803000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 79999, 159998, 239997, 319996, 399995, 479994, 639992, 799990, 959988, 1199985, 1599980, 1919976, 1999975, 2399970, 3199960, 3999950, 4799940, 5999925, 7999900, 9599880, 9999875, 11999850, 15999800, 19999750, 23999700, 29999625, 39999500, 47999400, 59999250, 79999000, 119998500, 239997000]

約数ペア:

[(1, 239997000), (2, 119998500), (3, 79999000), (4, 59999250), (5, 47999400), (6, 39999500), (8, 29999625), (10, 23999700), (12, 19999750), (15, 15999800), (20, 11999850), (24, 9999875), (25, 9599880), (30, 7999900), (40, 5999925), (50, 4799940), (60, 3999950), (75, 3199960), (100, 2399970), (120, 1999975), (125, 1919976), (150, 1599980), (200, 1199985), (250, 959988), (300, 799990), (375, 639992), (500, 479994), (600, 399995), (750, 319996), (1000, 239997), (1500, 159998), (3000, 79999)]