664333820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{14057}}^1$

素因数の和:14222

約数の個数: 48

約数和(自身を含む): 1487898720

約数和(自身を除く): 823564900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 695, 1390, 2363, 2780, 4726, 9452, 11815, 14057, 23630, 28114, 47260, 56228, 70285, 140570, 238969, 281140, 477938, 955876, 1194845, 1953923, 2389690, 3907846, 4779380, 7815692, 9769615, 19539230, 33216691, 39078460, 66433382, 132866764, 166083455, 332166910, 664333820]

約数ペア:

[(1, 664333820), (2, 332166910), (4, 166083455), (5, 132866764), (10, 66433382), (17, 39078460), (20, 33216691), (34, 19539230), (68, 9769615), (85, 7815692), (139, 4779380), (170, 3907846), (278, 2389690), (340, 1953923), (556, 1194845), (695, 955876), (1390, 477938), (2363, 281140), (2780, 238969), (4726, 140570), (9452, 70285), (11815, 56228), (14057, 47260), (23630, 28114)]