72497690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{2143}}^1$

素因数の和:2366

約数の個数: 32

約数和(自身を含む): 138931200

約数和(自身を除く): 66433510

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 199, 398, 995, 1990, 2143, 3383, 4286, 6766, 10715, 16915, 21430, 33830, 36431, 72862, 182155, 364310, 426457, 852914, 2132285, 4264570, 7249769, 14499538, 36248845, 72497690]

約数ペア:

[(1, 72497690), (2, 36248845), (5, 14499538), (10, 7249769), (17, 4264570), (34, 2132285), (85, 852914), (170, 426457), (199, 364310), (398, 182155), (995, 72862), (1990, 36431), (2143, 33830), (3383, 21430), (4286, 16915), (6766, 10715)]