1270290140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{57793}}^1$

素因数の和:57966

約数の個数: 48

約数和(自身を含む): 3068167872

約数和(自身を除く): 1797877732

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, 21980, 57793, 115586, 231172, 288965, 404551, 577930, 809102, 1155860, 1618204, 2022755, 4045510, 8091020, 9073501, 18147002, 36294004, 45367505, 63514507, 90735010, 127029014, 181470020, 254058028, 317572535, 635145070, 1270290140]

約数ペア:

[(1, 1270290140), (2, 635145070), (4, 317572535), (5, 254058028), (7, 181470020), (10, 127029014), (14, 90735010), (20, 63514507), (28, 45367505), (35, 36294004), (70, 18147002), (140, 9073501), (157, 8091020), (314, 4045510), (628, 2022755), (785, 1618204), (1099, 1155860), (1570, 809102), (2198, 577930), (3140, 404551), (4396, 288965), (5495, 231172), (10990, 115586), (21980, 57793)]