68390770

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 145612800

約数和(自身を除く): 77222030

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 127, 157, 245, 254, 314, 343, 490, 635, 686, 785, 889, 1099, 1270, 1570, 1715, 1778, 2198, 3430, 4445, 5495, 6223, 7693, 8890, 10990, 12446, 15386, 19939, 31115, 38465, 39878, 43561, 53851, 62230, 76930, 87122, 99695, 107702, 139573, 199390, 217805, 269255, 279146, 435610, 538510, 697865, 977011, 1395730, 1954022, 4885055, 6839077, 9770110, 13678154, 34195385, 68390770]

約数ペア:

[(1, 68390770), (2, 34195385), (5, 13678154), (7, 9770110), (10, 6839077), (14, 4885055), (35, 1954022), (49, 1395730), (70, 977011), (98, 697865), (127, 538510), (157, 435610), (245, 279146), (254, 269255), (314, 217805), (343, 199390), (490, 139573), (635, 107702), (686, 99695), (785, 87122), (889, 76930), (1099, 62230), (1270, 53851), (1570, 43561), (1715, 39878), (1778, 38465), (2198, 31115), (3430, 19939), (4445, 15386), (5495, 12446), (6223, 10990), (7693, 8890)]