2572220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{967}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 6504960

約数和(自身を除く): 3932740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 967, 1330, 1934, 2660, 3868, 4835, 6769, 9670, 13538, 18373, 19340, 27076, 33845, 36746, 67690, 73492, 91865, 128611, 135380, 183730, 257222, 367460, 514444, 643055, 1286110, 2572220]

約数ペア:

[(1, 2572220), (2, 1286110), (4, 643055), (5, 514444), (7, 367460), (10, 257222), (14, 183730), (19, 135380), (20, 128611), (28, 91865), (35, 73492), (38, 67690), (70, 36746), (76, 33845), (95, 27076), (133, 19340), (140, 18373), (190, 13538), (266, 9670), (380, 6769), (532, 4835), (665, 3868), (967, 2660), (1330, 1934)]