2979968180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{153133}}^1$

素因数の和:153288

約数の個数: 48

約数和(自身を含む): 7203423360

約数和(自身を除く): 4223455180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 9730, 19460, 153133, 306266, 612532, 765665, 1071931, 1531330, 2143862, 3062660, 4287724, 5359655, 10719310, 21285487, 21438620, 42570974, 85141948, 106427435, 148998409, 212854870, 297996818, 425709740, 595993636, 744992045, 1489984090, 2979968180]

約数ペア:

[(1, 2979968180), (2, 1489984090), (4, 744992045), (5, 595993636), (7, 425709740), (10, 297996818), (14, 212854870), (20, 148998409), (28, 106427435), (35, 85141948), (70, 42570974), (139, 21438620), (140, 21285487), (278, 10719310), (556, 5359655), (695, 4287724), (973, 3062660), (1390, 2143862), (1946, 1531330), (2780, 1071931), (3892, 765665), (4865, 612532), (9730, 306266), (19460, 153133)]