48975500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{1999}}^1$

素因数の和:2032

約数の個数: 72

約数和(自身を含む): 124488000

約数和(自身を除く): 75512500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 700, 875, 980, 1225, 1750, 1999, 2450, 3500, 3998, 4900, 6125, 7996, 9995, 12250, 13993, 19990, 24500, 27986, 39980, 49975, 55972, 69965, 97951, 99950, 139930, 195902, 199900, 249875, 279860, 349825, 391804, 489755, 499750, 699650, 979510, 999500, 1399300, 1749125, 1959020, 2448775, 3498250, 4897550, 6996500, 9795100, 12243875, 24487750, 48975500]

約数ペア:

[(1, 48975500), (2, 24487750), (4, 12243875), (5, 9795100), (7, 6996500), (10, 4897550), (14, 3498250), (20, 2448775), (25, 1959020), (28, 1749125), (35, 1399300), (49, 999500), (50, 979510), (70, 699650), (98, 499750), (100, 489755), (125, 391804), (140, 349825), (175, 279860), (196, 249875), (245, 199900), (250, 195902), (350, 139930), (490, 99950), (500, 97951), (700, 69965), (875, 55972), (980, 49975), (1225, 39980), (1750, 27986), (1999, 24500), (2450, 19990), (3500, 13993), (3998, 12250), (4900, 9995), (6125, 7996)]