190037140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{487}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 405820800

約数和(自身を除く): 215783660

約数列:

[1, 2, 4, 5, 10, 20, 109, 179, 218, 358, 436, 487, 545, 716, 895, 974, 1090, 1790, 1948, 2180, 2435, 3580, 4870, 9740, 19511, 39022, 53083, 78044, 87173, 97555, 106166, 174346, 195110, 212332, 265415, 348692, 390220, 435865, 530830, 871730, 1061660, 1743460, 9501857, 19003714, 38007428, 47509285, 95018570, 190037140]

約数ペア:

[(1, 190037140), (2, 95018570), (4, 47509285), (5, 38007428), (10, 19003714), (20, 9501857), (109, 1743460), (179, 1061660), (218, 871730), (358, 530830), (436, 435865), (487, 390220), (545, 348692), (716, 265415), (895, 212332), (974, 195110), (1090, 174346), (1790, 106166), (1948, 97555), (2180, 87173), (2435, 78044), (3580, 53083), (4870, 39022), (9740, 19511)]