78461300

素因数分解:

$2^2\times 5^2\times {\mathrm{389}}^1\times {\mathrm{2017}}^1$

素因数の和:2420

約数の個数: 36

約数和(自身を含む): 170783340

約数和(自身を除く): 92322040

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 389, 778, 1556, 1945, 2017, 3890, 4034, 7780, 8068, 9725, 10085, 19450, 20170, 38900, 40340, 50425, 100850, 201700, 784613, 1569226, 3138452, 3923065, 7846130, 15692260, 19615325, 39230650, 78461300]

約数ペア:

[(1, 78461300), (2, 39230650), (4, 19615325), (5, 15692260), (10, 7846130), (20, 3923065), (25, 3138452), (50, 1569226), (100, 784613), (389, 201700), (778, 100850), (1556, 50425), (1945, 40340), (2017, 38900), (3890, 20170), (4034, 19450), (7780, 10085), (8068, 9725)]