77772260

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 167430144

約数和(自身を除く): 89657884

約数列:

[1, 2, 4, 5, 10, 20, 67, 127, 134, 254, 268, 335, 457, 508, 635, 670, 914, 1270, 1340, 1828, 2285, 2540, 4570, 8509, 9140, 17018, 30619, 34036, 42545, 58039, 61238, 85090, 116078, 122476, 153095, 170180, 232156, 290195, 306190, 580390, 612380, 1160780, 3888613, 7777226, 15554452, 19443065, 38886130, 77772260]

約数ペア:

[(1, 77772260), (2, 38886130), (4, 19443065), (5, 15554452), (10, 7777226), (20, 3888613), (67, 1160780), (127, 612380), (134, 580390), (254, 306190), (268, 290195), (335, 232156), (457, 170180), (508, 153095), (635, 122476), (670, 116078), (914, 85090), (1270, 61238), (1340, 58039), (1828, 42545), (2285, 34036), (2540, 30619), (4570, 17018), (8509, 9140)]