78928400

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5333}}^1$

素因数の和:5388

約数の個数: 60

約数和(自身を含む): 194787012

約数和(自身を除く): 115858612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 148, 185, 200, 296, 370, 400, 592, 740, 925, 1480, 1850, 2960, 3700, 5333, 7400, 10666, 14800, 21332, 26665, 42664, 53330, 85328, 106660, 133325, 197321, 213320, 266650, 394642, 426640, 533300, 789284, 986605, 1066600, 1578568, 1973210, 2133200, 3157136, 3946420, 4933025, 7892840, 9866050, 15785680, 19732100, 39464200, 78928400]

約数ペア:

[(1, 78928400), (2, 39464200), (4, 19732100), (5, 15785680), (8, 9866050), (10, 7892840), (16, 4933025), (20, 3946420), (25, 3157136), (37, 2133200), (40, 1973210), (50, 1578568), (74, 1066600), (80, 986605), (100, 789284), (148, 533300), (185, 426640), (200, 394642), (296, 266650), (370, 213320), (400, 197321), (592, 133325), (740, 106660), (925, 85328), (1480, 53330), (1850, 42664), (2960, 26665), (3700, 21332), (5333, 14800), (7400, 10666)]