74985000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{4999}}^1$

素因数の和:5028

約数の個数: 80

約数和(自身を含む): 234300000

約数和(自身を除く): 159315000

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, 625, 750, 1000, 1250, 1500, 1875, 2500, 3000, 3750, 4999, 5000, 7500, 9998, 14997, 15000, 19996, 24995, 29994, 39992, 49990, 59988, 74985, 99980, 119976, 124975, 149970, 199960, 249950, 299940, 374925, 499900, 599880, 624875, 749850, 999800, 1249750, 1499700, 1874625, 2499500, 2999400, 3124375, 3749250, 4999000, 6248750, 7498500, 9373125, 12497500, 14997000, 18746250, 24995000, 37492500, 74985000]

約数ペア:

[(1, 74985000), (2, 37492500), (3, 24995000), (4, 18746250), (5, 14997000), (6, 12497500), (8, 9373125), (10, 7498500), (12, 6248750), (15, 4999000), (20, 3749250), (24, 3124375), (25, 2999400), (30, 2499500), (40, 1874625), (50, 1499700), (60, 1249750), (75, 999800), (100, 749850), (120, 624875), (125, 599880), (150, 499900), (200, 374925), (250, 299940), (300, 249950), (375, 199960), (500, 149970), (600, 124975), (625, 119976), (750, 99980), (1000, 74985), (1250, 59988), (1500, 49990), (1875, 39992), (2500, 29994), (3000, 24995), (3750, 19996), (4999, 15000), (5000, 14997), (7500, 9998)]