420138900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{51869}}^1$

素因数の和:51895

約数の個数: 90

約数和(自身を含む): 1361950590

約数和(自身を除く): 941811690

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 51869, 103738, 155607, 207476, 259345, 311214, 466821, 518690, 622428, 778035, 933642, 1037380, 1296725, 1400463, 1556070, 1867284, 2334105, 2593450, 2800926, 3112140, 3890175, 4201389, 4668210, 5186900, 5601852, 7002315, 7780350, 8402778, 9336420, 11670525, 14004630, 15560700, 16805556, 21006945, 23341050, 28009260, 35011575, 42013890, 46682100, 70023150, 84027780, 105034725, 140046300, 210069450, 420138900]

約数ペア:

[(1, 420138900), (2, 210069450), (3, 140046300), (4, 105034725), (5, 84027780), (6, 70023150), (9, 46682100), (10, 42013890), (12, 35011575), (15, 28009260), (18, 23341050), (20, 21006945), (25, 16805556), (27, 15560700), (30, 14004630), (36, 11670525), (45, 9336420), (50, 8402778), (54, 7780350), (60, 7002315), (75, 5601852), (81, 5186900), (90, 4668210), (100, 4201389), (108, 3890175), (135, 3112140), (150, 2800926), (162, 2593450), (180, 2334105), (225, 1867284), (270, 1556070), (300, 1400463), (324, 1296725), (405, 1037380), (450, 933642), (540, 778035), (675, 622428), (810, 518690), (900, 466821), (1350, 311214), (1620, 259345), (2025, 207476), (2700, 155607), (4050, 103738), (8100, 51869)]