203419790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{859}}^1$

素因数の和:1089

約数の個数: 64

約数和(自身を含む): 445824000

約数和(自身を除く): 242404210

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 199, 238, 398, 595, 859, 995, 1190, 1393, 1718, 1990, 2786, 3383, 4295, 6013, 6766, 6965, 8590, 12026, 13930, 14603, 16915, 23681, 29206, 30065, 33830, 47362, 60130, 73015, 102221, 118405, 146030, 170941, 204442, 236810, 341882, 511105, 854705, 1022210, 1196587, 1709410, 2393174, 2905997, 5811994, 5982935, 11965870, 14529985, 20341979, 29059970, 40683958, 101709895, 203419790]

約数ペア:

[(1, 203419790), (2, 101709895), (5, 40683958), (7, 29059970), (10, 20341979), (14, 14529985), (17, 11965870), (34, 5982935), (35, 5811994), (70, 2905997), (85, 2393174), (119, 1709410), (170, 1196587), (199, 1022210), (238, 854705), (398, 511105), (595, 341882), (859, 236810), (995, 204442), (1190, 170941), (1393, 146030), (1718, 118405), (1990, 102221), (2786, 73015), (3383, 60130), (4295, 47362), (6013, 33830), (6766, 30065), (6965, 29206), (8590, 23681), (12026, 16915), (13930, 14603)]