71787400

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 174933000

約数和(自身を除く): 103145600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 89, 100, 109, 148, 178, 185, 200, 218, 296, 356, 370, 436, 445, 545, 712, 740, 872, 890, 925, 1090, 1480, 1780, 1850, 2180, 2225, 2725, 3293, 3560, 3700, 4033, 4360, 4450, 5450, 6586, 7400, 8066, 8900, 9701, 10900, 13172, 16132, 16465, 17800, 19402, 20165, 21800, 26344, 32264, 32930, 38804, 40330, 48505, 65860, 77608, 80660, 82325, 97010, 100825, 131720, 161320, 164650, 194020, 201650, 242525, 329300, 358937, 388040, 403300, 485050, 658600, 717874, 806600, 970100, 1435748, 1794685, 1940200, 2871496, 3589370, 7178740, 8973425, 14357480, 17946850, 35893700, 71787400]

約数ペア:

[(1, 71787400), (2, 35893700), (4, 17946850), (5, 14357480), (8, 8973425), (10, 7178740), (20, 3589370), (25, 2871496), (37, 1940200), (40, 1794685), (50, 1435748), (74, 970100), (89, 806600), (100, 717874), (109, 658600), (148, 485050), (178, 403300), (185, 388040), (200, 358937), (218, 329300), (296, 242525), (356, 201650), (370, 194020), (436, 164650), (445, 161320), (545, 131720), (712, 100825), (740, 97010), (872, 82325), (890, 80660), (925, 77608), (1090, 65860), (1480, 48505), (1780, 40330), (1850, 38804), (2180, 32930), (2225, 32264), (2725, 26344), (3293, 21800), (3560, 20165), (3700, 19402), (4033, 17800), (4360, 16465), (4450, 16132), (5450, 13172), (6586, 10900), (7400, 9701), (8066, 8900)]