550012500

素因数分解:

$2^2\times 3^2\times 5^5\times {\mathrm{4889}}^1$

素因数の和:4924

約数の個数: 108

約数和(自身を含む): 1738130940

約数和(自身を除く): 1188118440

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, 500, 625, 750, 900, 1125, 1250, 1500, 1875, 2250, 2500, 3125, 3750, 4500, 4889, 5625, 6250, 7500, 9375, 9778, 11250, 12500, 14667, 18750, 19556, 22500, 24445, 28125, 29334, 37500, 44001, 48890, 56250, 58668, 73335, 88002, 97780, 112500, 122225, 146670, 176004, 220005, 244450, 293340, 366675, 440010, 488900, 611125, 733350, 880020, 1100025, 1222250, 1466700, 1833375, 2200050, 2444500, 3055625, 3666750, 4400100, 5500125, 6111250, 7333500, 9166875, 11000250, 12222500, 15278125, 18333750, 22000500, 27500625, 30556250, 36667500, 45834375, 55001250, 61112500, 91668750, 110002500, 137503125, 183337500, 275006250, 550012500]

約数ペア:

[(1, 550012500), (2, 275006250), (3, 183337500), (4, 137503125), (5, 110002500), (6, 91668750), (9, 61112500), (10, 55001250), (12, 45834375), (15, 36667500), (18, 30556250), (20, 27500625), (25, 22000500), (30, 18333750), (36, 15278125), (45, 12222500), (50, 11000250), (60, 9166875), (75, 7333500), (90, 6111250), (100, 5500125), (125, 4400100), (150, 3666750), (180, 3055625), (225, 2444500), (250, 2200050), (300, 1833375), (375, 1466700), (450, 1222250), (500, 1100025), (625, 880020), (750, 733350), (900, 611125), (1125, 488900), (1250, 440010), (1500, 366675), (1875, 293340), (2250, 244450), (2500, 220005), (3125, 176004), (3750, 146670), (4500, 122225), (4889, 112500), (5625, 97780), (6250, 88002), (7500, 73335), (9375, 58668), (9778, 56250), (11250, 48890), (12500, 44001), (14667, 37500), (18750, 29334), (19556, 28125), (22500, 24445)]