19801050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1307}}^1$

素因数の和:1423

約数の個数: 48

約数和(自身を含む): 49630752

約数和(自身を除く): 29829702

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 101, 150, 202, 303, 505, 606, 1010, 1307, 1515, 2525, 2614, 3030, 3921, 5050, 6535, 7575, 7842, 13070, 15150, 19605, 32675, 39210, 65350, 98025, 132007, 196050, 264014, 396021, 660035, 792042, 1320070, 1980105, 3300175, 3960210, 6600350, 9900525, 19801050]

約数ペア:

[(1, 19801050), (2, 9900525), (3, 6600350), (5, 3960210), (6, 3300175), (10, 1980105), (15, 1320070), (25, 792042), (30, 660035), (50, 396021), (75, 264014), (101, 196050), (150, 132007), (202, 98025), (303, 65350), (505, 39210), (606, 32675), (1010, 19605), (1307, 15150), (1515, 13070), (2525, 7842), (2614, 7575), (3030, 6535), (3921, 5050)]