289322740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{13163}}^1$

素因数の和:13336

約数の個数: 48

約数和(自身を含む): 698850432

約数和(自身を除く): 409527692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 10990, 13163, 21980, 26326, 52652, 65815, 92141, 131630, 184282, 263260, 368564, 460705, 921410, 1842820, 2066591, 4133182, 8266364, 10332955, 14466137, 20665910, 28932274, 41331820, 57864548, 72330685, 144661370, 289322740]

約数ペア:

[(1, 289322740), (2, 144661370), (4, 72330685), (5, 57864548), (7, 41331820), (10, 28932274), (14, 20665910), (20, 14466137), (28, 10332955), (35, 8266364), (70, 4133182), (140, 2066591), (157, 1842820), (314, 921410), (628, 460705), (785, 368564), (1099, 263260), (1570, 184282), (2198, 131630), (3140, 92141), (4396, 65815), (5495, 52652), (10990, 26326), (13163, 21980)]