55552500

素因数分解:

$2^2\times 3^3\times 5^4\times {\mathrm{823}}^1$

素因数の和:856

約数の個数: 120

約数和(自身を含む): 180192320

約数和(自身を除く): 124639820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 125, 135, 150, 180, 225, 250, 270, 300, 375, 450, 500, 540, 625, 675, 750, 823, 900, 1125, 1250, 1350, 1500, 1646, 1875, 2250, 2469, 2500, 2700, 3292, 3375, 3750, 4115, 4500, 4938, 5625, 6750, 7407, 7500, 8230, 9876, 11250, 12345, 13500, 14814, 16460, 16875, 20575, 22221, 22500, 24690, 29628, 33750, 37035, 41150, 44442, 49380, 61725, 67500, 74070, 82300, 88884, 102875, 111105, 123450, 148140, 185175, 205750, 222210, 246900, 308625, 370350, 411500, 444420, 514375, 555525, 617250, 740700, 925875, 1028750, 1111050, 1234500, 1543125, 1851750, 2057500, 2222100, 2777625, 3086250, 3703500, 4629375, 5555250, 6172500, 9258750, 11110500, 13888125, 18517500, 27776250, 55552500]

約数ペア:

[(1, 55552500), (2, 27776250), (3, 18517500), (4, 13888125), (5, 11110500), (6, 9258750), (9, 6172500), (10, 5555250), (12, 4629375), (15, 3703500), (18, 3086250), (20, 2777625), (25, 2222100), (27, 2057500), (30, 1851750), (36, 1543125), (45, 1234500), (50, 1111050), (54, 1028750), (60, 925875), (75, 740700), (90, 617250), (100, 555525), (108, 514375), (125, 444420), (135, 411500), (150, 370350), (180, 308625), (225, 246900), (250, 222210), (270, 205750), (300, 185175), (375, 148140), (450, 123450), (500, 111105), (540, 102875), (625, 88884), (675, 82300), (750, 74070), (823, 67500), (900, 61725), (1125, 49380), (1250, 44442), (1350, 41150), (1500, 37035), (1646, 33750), (1875, 29628), (2250, 24690), (2469, 22500), (2500, 22221), (2700, 20575), (3292, 16875), (3375, 16460), (3750, 14814), (4115, 13500), (4500, 12345), (4938, 11250), (5625, 9876), (6750, 8230), (7407, 7500)]