312445700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2843}}^1$

素因数の和:3021

約数の個数: 72

約数和(自身を含む): 780075072

約数和(自身を除く): 467629372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 157, 175, 314, 350, 628, 700, 785, 1099, 1570, 2198, 2843, 3140, 3925, 4396, 5495, 5686, 7850, 10990, 11372, 14215, 15700, 19901, 21980, 27475, 28430, 39802, 54950, 56860, 71075, 79604, 99505, 109900, 142150, 199010, 284300, 398020, 446351, 497525, 892702, 995050, 1785404, 1990100, 2231755, 3124457, 4463510, 6248914, 8927020, 11158775, 12497828, 15622285, 22317550, 31244570, 44635100, 62489140, 78111425, 156222850, 312445700]

約数ペア:

[(1, 312445700), (2, 156222850), (4, 78111425), (5, 62489140), (7, 44635100), (10, 31244570), (14, 22317550), (20, 15622285), (25, 12497828), (28, 11158775), (35, 8927020), (50, 6248914), (70, 4463510), (100, 3124457), (140, 2231755), (157, 1990100), (175, 1785404), (314, 995050), (350, 892702), (628, 497525), (700, 446351), (785, 398020), (1099, 284300), (1570, 199010), (2198, 142150), (2843, 109900), (3140, 99505), (3925, 79604), (4396, 71075), (5495, 56860), (5686, 54950), (7850, 39802), (10990, 28430), (11372, 27475), (14215, 21980), (15700, 19901)]