11228420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{577}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 27189120

約数和(自身を除く): 15960700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 577, 695, 973, 1154, 1390, 1946, 2308, 2780, 2885, 3892, 4039, 4865, 5770, 8078, 9730, 11540, 16156, 19460, 20195, 40390, 80203, 80780, 160406, 320812, 401015, 561421, 802030, 1122842, 1604060, 2245684, 2807105, 5614210, 11228420]

約数ペア:

[(1, 11228420), (2, 5614210), (4, 2807105), (5, 2245684), (7, 1604060), (10, 1122842), (14, 802030), (20, 561421), (28, 401015), (35, 320812), (70, 160406), (139, 80780), (140, 80203), (278, 40390), (556, 20195), (577, 19460), (695, 16156), (973, 11540), (1154, 9730), (1390, 8078), (1946, 5770), (2308, 4865), (2780, 4039), (2885, 3892)]