66913420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{68279}}^1$

素因数の和:68302

約数の個数: 36

約数和(自身を含む): 163462320

約数和(自身を除く): 96548900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 68279, 136558, 273116, 341395, 477953, 682790, 955906, 1365580, 1911812, 2389765, 3345671, 4779530, 6691342, 9559060, 13382684, 16728355, 33456710, 66913420]

約数ペア:

[(1, 66913420), (2, 33456710), (4, 16728355), (5, 13382684), (7, 9559060), (10, 6691342), (14, 4779530), (20, 3345671), (28, 2389765), (35, 1911812), (49, 1365580), (70, 955906), (98, 682790), (140, 477953), (196, 341395), (245, 273116), (490, 136558), (980, 68279)]