139045480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3163}}^1$

素因数の和:3338

約数の個数: 64

約数和(自身を含む): 359936640

約数和(自身を除く): 220891160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 785, 1099, 1256, 1570, 2198, 3140, 3163, 4396, 5495, 6280, 6326, 8792, 10990, 12652, 15815, 21980, 22141, 25304, 31630, 43960, 44282, 63260, 88564, 110705, 126520, 177128, 221410, 442820, 496591, 885640, 993182, 1986364, 2482955, 3476137, 3972728, 4965910, 6952274, 9931820, 13904548, 17380685, 19863640, 27809096, 34761370, 69522740, 139045480]

約数ペア:

[(1, 139045480), (2, 69522740), (4, 34761370), (5, 27809096), (7, 19863640), (8, 17380685), (10, 13904548), (14, 9931820), (20, 6952274), (28, 4965910), (35, 3972728), (40, 3476137), (56, 2482955), (70, 1986364), (140, 993182), (157, 885640), (280, 496591), (314, 442820), (628, 221410), (785, 177128), (1099, 126520), (1256, 110705), (1570, 88564), (2198, 63260), (3140, 44282), (3163, 43960), (4396, 31630), (5495, 25304), (6280, 22141), (6326, 21980), (8792, 15815), (10990, 12652)]