308938420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{5503}}^1$

素因数の和:5920

約数の個数: 48

約数和(自身を含む): 743436288

約数和(自身を除く): 434497868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 802, 1604, 2005, 2807, 4010, 5503, 5614, 8020, 11006, 11228, 14035, 22012, 27515, 28070, 38521, 55030, 56140, 77042, 110060, 154084, 192605, 385210, 770420, 2206703, 4413406, 8826812, 11033515, 15446921, 22067030, 30893842, 44134060, 61787684, 77234605, 154469210, 308938420]

約数ペア:

[(1, 308938420), (2, 154469210), (4, 77234605), (5, 61787684), (7, 44134060), (10, 30893842), (14, 22067030), (20, 15446921), (28, 11033515), (35, 8826812), (70, 4413406), (140, 2206703), (401, 770420), (802, 385210), (1604, 192605), (2005, 154084), (2807, 110060), (4010, 77042), (5503, 56140), (5614, 55030), (8020, 38521), (11006, 28070), (11228, 27515), (14035, 22012)]