77919740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1153}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 170607360

約数和(自身を除く): 92687620

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 436, 545, 620, 1090, 1153, 2180, 2306, 3379, 4612, 5765, 6758, 11530, 13516, 16895, 23060, 33790, 35743, 67580, 71486, 125677, 142972, 178715, 251354, 357430, 502708, 628385, 714860, 1256770, 2513540, 3895987, 7791974, 15583948, 19479935, 38959870, 77919740]

約数ペア:

[(1, 77919740), (2, 38959870), (4, 19479935), (5, 15583948), (10, 7791974), (20, 3895987), (31, 2513540), (62, 1256770), (109, 714860), (124, 628385), (155, 502708), (218, 357430), (310, 251354), (436, 178715), (545, 142972), (620, 125677), (1090, 71486), (1153, 67580), (2180, 35743), (2306, 33790), (3379, 23060), (4612, 16895), (5765, 13516), (6758, 11530)]