204025400

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:481

約数の個数: 96

約数和(自身を含む): 494760000

約数和(自身を除く): 290734600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 79, 100, 148, 158, 185, 200, 296, 316, 349, 370, 395, 632, 698, 740, 790, 925, 1396, 1480, 1580, 1745, 1850, 1975, 2792, 2923, 3160, 3490, 3700, 3950, 5846, 6980, 7400, 7900, 8725, 11692, 12913, 13960, 14615, 15800, 17450, 23384, 25826, 27571, 29230, 34900, 51652, 55142, 58460, 64565, 69800, 73075, 103304, 110284, 116920, 129130, 137855, 146150, 220568, 258260, 275710, 292300, 322825, 516520, 551420, 584600, 645650, 689275, 1020127, 1102840, 1291300, 1378550, 2040254, 2582600, 2757100, 4080508, 5100635, 5514200, 8161016, 10201270, 20402540, 25503175, 40805080, 51006350, 102012700, 204025400]

約数ペア:

[(1, 204025400), (2, 102012700), (4, 51006350), (5, 40805080), (8, 25503175), (10, 20402540), (20, 10201270), (25, 8161016), (37, 5514200), (40, 5100635), (50, 4080508), (74, 2757100), (79, 2582600), (100, 2040254), (148, 1378550), (158, 1291300), (185, 1102840), (200, 1020127), (296, 689275), (316, 645650), (349, 584600), (370, 551420), (395, 516520), (632, 322825), (698, 292300), (740, 275710), (790, 258260), (925, 220568), (1396, 146150), (1480, 137855), (1580, 129130), (1745, 116920), (1850, 110284), (1975, 103304), (2792, 73075), (2923, 69800), (3160, 64565), (3490, 58460), (3700, 55142), (3950, 51652), (5846, 34900), (6980, 29230), (7400, 27571), (7900, 25826), (8725, 23384), (11692, 17450), (12913, 15800), (13960, 14615)]