7131649820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{105529}}^1$

素因数の和:105678

約数の個数: 48

約数和(自身を含む): 15601555200

約数和(自身を除く): 8469905380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 436, 545, 620, 1090, 2180, 3379, 6758, 13516, 16895, 33790, 67580, 105529, 211058, 422116, 527645, 1055290, 2110580, 3271399, 6542798, 11502661, 13085596, 16356995, 23005322, 32713990, 46010644, 57513305, 65427980, 115026610, 230053220, 356582491, 713164982, 1426329964, 1782912455, 3565824910, 7131649820]

約数ペア:

[(1, 7131649820), (2, 3565824910), (4, 1782912455), (5, 1426329964), (10, 713164982), (20, 356582491), (31, 230053220), (62, 115026610), (109, 65427980), (124, 57513305), (155, 46010644), (218, 32713990), (310, 23005322), (436, 16356995), (545, 13085596), (620, 11502661), (1090, 6542798), (2180, 3271399), (3379, 2110580), (6758, 1055290), (13516, 527645), (16895, 422116), (33790, 211058), (67580, 105529)]