1405284684050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7687}}^1\times {\mathrm{281251}}^1$

素因数の和:288963

約数の個数: 48

約数和(自身を含む): 2815269519552

約数和(自身を除く): 1409984835502

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 7687, 15374, 38435, 76870, 99931, 192175, 199862, 281251, 384350, 499655, 562502, 999310, 1406255, 2498275, 2812510, 3656263, 4996550, 7031275, 7312526, 14062550, 18281315, 36562630, 91406575, 182813150, 2161976437, 4323952874, 10809882185, 21619764370, 28105693681, 54049410925, 56211387362, 108098821850, 140528468405, 281056936810, 702642342025, 1405284684050]

約数ペア:

[(1, 1405284684050), (2, 702642342025), (5, 281056936810), (10, 140528468405), (13, 108098821850), (25, 56211387362), (26, 54049410925), (50, 28105693681), (65, 21619764370), (130, 10809882185), (325, 4323952874), (650, 2161976437), (7687, 182813150), (15374, 91406575), (38435, 36562630), (76870, 18281315), (99931, 14062550), (192175, 7312526), (199862, 7031275), (281251, 4996550), (384350, 3656263), (499655, 2812510), (562502, 2498275), (999310, 1406255)]