278399539210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{2963}}^1\times {\mathrm{2999}}^1$

素因数の和:6223

約数の個数: 64

約数和(自身を含む): 542269728000

約数和(自身を除く): 263870188790

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 241, 482, 1205, 2410, 2963, 2999, 3133, 5926, 5998, 6266, 14815, 14995, 15665, 29630, 29990, 31330, 38519, 38987, 77038, 77974, 192595, 194935, 385190, 389870, 714083, 722759, 1428166, 1445518, 3570415, 3613795, 7140830, 7227590, 8886037, 9283079, 9395867, 17772074, 18566158, 18791734, 44430185, 46415395, 46979335, 88860370, 92830790, 93958670, 115518481, 231036962, 577592405, 1155184810, 2141534917, 4283069834, 10707674585, 21415349170, 27839953921, 55679907842, 139199769605, 278399539210]

約数ペア:

[(1, 278399539210), (2, 139199769605), (5, 55679907842), (10, 27839953921), (13, 21415349170), (26, 10707674585), (65, 4283069834), (130, 2141534917), (241, 1155184810), (482, 577592405), (1205, 231036962), (2410, 115518481), (2963, 93958670), (2999, 92830790), (3133, 88860370), (5926, 46979335), (5998, 46415395), (6266, 44430185), (14815, 18791734), (14995, 18566158), (15665, 17772074), (29630, 9395867), (29990, 9283079), (31330, 8886037), (38519, 7227590), (38987, 7140830), (77038, 3613795), (77974, 3570415), (192595, 1445518), (194935, 1428166), (385190, 722759), (389870, 714083)]