72707390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{887}}^1\times {\mathrm{1171}}^1$

素因数の和:2072

約数の個数: 32

約数和(自身を含む): 149865984

約数和(自身を除く): 77158594

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 887, 1171, 1774, 2342, 4435, 5855, 6209, 8197, 8870, 11710, 12418, 16394, 31045, 40985, 62090, 81970, 1038677, 2077354, 5193385, 7270739, 10386770, 14541478, 36353695, 72707390]

約数ペア:

[(1, 72707390), (2, 36353695), (5, 14541478), (7, 10386770), (10, 7270739), (14, 5193385), (35, 2077354), (70, 1038677), (887, 81970), (1171, 62090), (1774, 40985), (2342, 31045), (4435, 16394), (5855, 12418), (6209, 11710), (8197, 8870)]