140812280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71843}}^1$

素因数の和:71868

約数の個数: 48

約数和(自身を含む): 368559720

約数和(自身を除く): 227747440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 71843, 143686, 287372, 359215, 502901, 574744, 718430, 1005802, 1436860, 2011604, 2514505, 2873720, 3520307, 4023208, 5029010, 7040614, 10058020, 14081228, 17601535, 20116040, 28162456, 35203070, 70406140, 140812280]

約数ペア:

[(1, 140812280), (2, 70406140), (4, 35203070), (5, 28162456), (7, 20116040), (8, 17601535), (10, 14081228), (14, 10058020), (20, 7040614), (28, 5029010), (35, 4023208), (40, 3520307), (49, 2873720), (56, 2514505), (70, 2011604), (98, 1436860), (140, 1005802), (196, 718430), (245, 574744), (280, 502901), (392, 359215), (490, 287372), (980, 143686), (1960, 71843)]