87430340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1\times {\mathrm{331}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 188745984

約数和(自身を除く): 101315644

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 281, 331, 470, 562, 662, 940, 1124, 1324, 1405, 1655, 2810, 3310, 5620, 6620, 13207, 15557, 26414, 31114, 52828, 62228, 66035, 77785, 93011, 132070, 155570, 186022, 264140, 311140, 372044, 465055, 930110, 1860220, 4371517, 8743034, 17486068, 21857585, 43715170, 87430340]

約数ペア:

[(1, 87430340), (2, 43715170), (4, 21857585), (5, 17486068), (10, 8743034), (20, 4371517), (47, 1860220), (94, 930110), (188, 465055), (235, 372044), (281, 311140), (331, 264140), (470, 186022), (562, 155570), (662, 132070), (940, 93011), (1124, 77785), (1324, 66035), (1405, 62228), (1655, 52828), (2810, 31114), (3310, 26414), (5620, 15557), (6620, 13207)]