31243790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:629

約数の個数: 48

約数和(自身を含む): 62996400

約数和(自身を除く): 31752610

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 289, 323, 569, 578, 646, 1138, 1445, 1615, 2845, 2890, 3230, 5491, 5690, 9673, 10811, 10982, 19346, 21622, 27455, 48365, 54055, 54910, 96730, 108110, 164441, 183787, 328882, 367574, 822205, 918935, 1644410, 1837870, 3124379, 6248758, 15621895, 31243790]

約数ペア:

[(1, 31243790), (2, 15621895), (5, 6248758), (10, 3124379), (17, 1837870), (19, 1644410), (34, 918935), (38, 822205), (85, 367574), (95, 328882), (170, 183787), (190, 164441), (289, 108110), (323, 96730), (569, 54910), (578, 54055), (646, 48365), (1138, 27455), (1445, 21622), (1615, 19346), (2845, 10982), (2890, 10811), (3230, 9673), (5491, 5690)]