97951000

素因数分解:

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

素因数の和:2034

約数の個数: 96

約数和(自身を含む): 266760000

約数和(自身を除く): 168809000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 490, 500, 700, 875, 980, 1000, 1225, 1400, 1750, 1960, 1999, 2450, 3500, 3998, 4900, 6125, 7000, 7996, 9800, 9995, 12250, 13993, 15992, 19990, 24500, 27986, 39980, 49000, 49975, 55972, 69965, 79960, 97951, 99950, 111944, 139930, 195902, 199900, 249875, 279860, 349825, 391804, 399800, 489755, 499750, 559720, 699650, 783608, 979510, 999500, 1399300, 1749125, 1959020, 1999000, 2448775, 2798600, 3498250, 3918040, 4897550, 6996500, 9795100, 12243875, 13993000, 19590200, 24487750, 48975500, 97951000]

約数ペア:

[(1, 97951000), (2, 48975500), (4, 24487750), (5, 19590200), (7, 13993000), (8, 12243875), (10, 9795100), (14, 6996500), (20, 4897550), (25, 3918040), (28, 3498250), (35, 2798600), (40, 2448775), (49, 1999000), (50, 1959020), (56, 1749125), (70, 1399300), (98, 999500), (100, 979510), (125, 783608), (140, 699650), (175, 559720), (196, 499750), (200, 489755), (245, 399800), (250, 391804), (280, 349825), (350, 279860), (392, 249875), (490, 199900), (500, 195902), (700, 139930), (875, 111944), (980, 99950), (1000, 97951), (1225, 79960), (1400, 69965), (1750, 55972), (1960, 49975), (1999, 49000), (2450, 39980), (3500, 27986), (3998, 24500), (4900, 19990), (6125, 15992), (7000, 13993), (7996, 12250), (9800, 9995)]