1077020

素因数分解:

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

素因数の和:187

約数の個数: 48

約数和(自身を含む): 2654400

約数和(自身を除く): 1577380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 157, 196, 245, 314, 343, 490, 628, 686, 785, 980, 1099, 1372, 1570, 1715, 2198, 3140, 3430, 4396, 5495, 6860, 7693, 10990, 15386, 21980, 30772, 38465, 53851, 76930, 107702, 153860, 215404, 269255, 538510, 1077020]

約数ペア:

[(1, 1077020), (2, 538510), (4, 269255), (5, 215404), (7, 153860), (10, 107702), (14, 76930), (20, 53851), (28, 38465), (35, 30772), (49, 21980), (70, 15386), (98, 10990), (140, 7693), (157, 6860), (196, 5495), (245, 4396), (314, 3430), (343, 3140), (490, 2198), (628, 1715), (686, 1570), (785, 1372), (980, 1099)]