308468720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{78691}}^1$

素因数の和:78718

約数の個数: 60

約数和(自身を含む): 834292584

約数和(自身を除く): 525823864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 78691, 157382, 314764, 393455, 550837, 629528, 786910, 1101674, 1259056, 1573820, 2203348, 2754185, 3147640, 3855859, 4406696, 5508370, 6295280, 7711718, 8813392, 11016740, 15423436, 19279295, 22033480, 30846872, 38558590, 44066960, 61693744, 77117180, 154234360, 308468720]

約数ペア:

[(1, 308468720), (2, 154234360), (4, 77117180), (5, 61693744), (7, 44066960), (8, 38558590), (10, 30846872), (14, 22033480), (16, 19279295), (20, 15423436), (28, 11016740), (35, 8813392), (40, 7711718), (49, 6295280), (56, 5508370), (70, 4406696), (80, 3855859), (98, 3147640), (112, 2754185), (140, 2203348), (196, 1573820), (245, 1259056), (280, 1101674), (392, 786910), (490, 629528), (560, 550837), (784, 393455), (980, 314764), (1960, 157382), (3920, 78691)]