51931180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2789}}^1$

素因数の和:2831

約数の個数: 72

約数和(自身を含む): 133585200

約数和(自身を除く): 81654020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 2789, 3724, 4655, 5578, 9310, 11156, 13945, 18620, 19523, 27890, 39046, 52991, 55780, 78092, 97615, 105982, 136661, 195230, 211964, 264955, 273322, 370937, 390460, 529910, 546644, 683305, 741874, 1059820, 1366610, 1483748, 1854685, 2596559, 2733220, 3709370, 5193118, 7418740, 10386236, 12982795, 25965590, 51931180]

約数ペア:

[(1, 51931180), (2, 25965590), (4, 12982795), (5, 10386236), (7, 7418740), (10, 5193118), (14, 3709370), (19, 2733220), (20, 2596559), (28, 1854685), (35, 1483748), (38, 1366610), (49, 1059820), (70, 741874), (76, 683305), (95, 546644), (98, 529910), (133, 390460), (140, 370937), (190, 273322), (196, 264955), (245, 211964), (266, 195230), (380, 136661), (490, 105982), (532, 97615), (665, 78092), (931, 55780), (980, 52991), (1330, 39046), (1862, 27890), (2660, 19523), (2789, 18620), (3724, 13945), (4655, 11156), (5578, 9310)]