1330388740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{42181}}^1$

素因数の和:42292

約数の個数: 48

約数和(自身を含む): 2976361920

約数和(自身を除く): 1645973180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 1577, 1660, 3154, 6308, 7885, 15770, 31540, 42181, 84362, 168724, 210905, 421810, 801439, 843620, 1602878, 3205756, 3501023, 4007195, 7002046, 8014390, 14004092, 16028780, 17505115, 35010230, 66519437, 70020460, 133038874, 266077748, 332597185, 665194370, 1330388740]

約数ペア:

[(1, 1330388740), (2, 665194370), (4, 332597185), (5, 266077748), (10, 133038874), (19, 70020460), (20, 66519437), (38, 35010230), (76, 17505115), (83, 16028780), (95, 14004092), (166, 8014390), (190, 7002046), (332, 4007195), (380, 3501023), (415, 3205756), (830, 1602878), (1577, 843620), (1660, 801439), (3154, 421810), (6308, 210905), (7885, 168724), (15770, 84362), (31540, 42181)]