74217340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 159667200

約数和(自身を除く): 85449860

約数列:

[1, 2, 4, 5, 10, 20, 79, 107, 158, 214, 316, 395, 428, 439, 535, 790, 878, 1070, 1580, 1756, 2140, 2195, 4390, 8453, 8780, 16906, 33812, 34681, 42265, 46973, 69362, 84530, 93946, 138724, 169060, 173405, 187892, 234865, 346810, 469730, 693620, 939460, 3710867, 7421734, 14843468, 18554335, 37108670, 74217340]

約数ペア:

[(1, 74217340), (2, 37108670), (4, 18554335), (5, 14843468), (10, 7421734), (20, 3710867), (79, 939460), (107, 693620), (158, 469730), (214, 346810), (316, 234865), (395, 187892), (428, 173405), (439, 169060), (535, 138724), (790, 93946), (878, 84530), (1070, 69362), (1580, 46973), (1756, 42265), (2140, 34681), (2195, 33812), (4390, 16906), (8453, 8780)]