2700400

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:218

約数の個数: 60

約数和(自身を含む): 6680872

約数和(自身を除く): 3980472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 157, 172, 200, 215, 314, 344, 400, 430, 628, 688, 785, 860, 1075, 1256, 1570, 1720, 2150, 2512, 3140, 3440, 3925, 4300, 6280, 6751, 7850, 8600, 12560, 13502, 15700, 17200, 27004, 31400, 33755, 54008, 62800, 67510, 108016, 135020, 168775, 270040, 337550, 540080, 675100, 1350200, 2700400]

約数ペア:

[(1, 2700400), (2, 1350200), (4, 675100), (5, 540080), (8, 337550), (10, 270040), (16, 168775), (20, 135020), (25, 108016), (40, 67510), (43, 62800), (50, 54008), (80, 33755), (86, 31400), (100, 27004), (157, 17200), (172, 15700), (200, 13502), (215, 12560), (314, 8600), (344, 7850), (400, 6751), (430, 6280), (628, 4300), (688, 3925), (785, 3440), (860, 3140), (1075, 2512), (1256, 2150), (1570, 1720)]