420162875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 608549760

約数和(自身を除く): 188386885

約数列:

[1, 5, 11, 25, 29, 41, 55, 125, 145, 205, 257, 275, 319, 451, 725, 1025, 1189, 1285, 1375, 1595, 2255, 2827, 3625, 5125, 5945, 6425, 7453, 7975, 10537, 11275, 13079, 14135, 29725, 32125, 37265, 39875, 52685, 56375, 65395, 70675, 81983, 115907, 148625, 186325, 263425, 305573, 326975, 353375, 409915, 579535, 931625, 1317125, 1527865, 1634875, 2049575, 2897675, 3361303, 7639325, 10247875, 14488375, 16806515, 38196625, 84032575, 420162875]

約数ペア:

[(1, 420162875), (5, 84032575), (11, 38196625), (25, 16806515), (29, 14488375), (41, 10247875), (55, 7639325), (125, 3361303), (145, 2897675), (205, 2049575), (257, 1634875), (275, 1527865), (319, 1317125), (451, 931625), (725, 579535), (1025, 409915), (1189, 353375), (1285, 326975), (1375, 305573), (1595, 263425), (2255, 186325), (2827, 148625), (3625, 115907), (5125, 81983), (5945, 70675), (6425, 65395), (7453, 56375), (7975, 52685), (10537, 39875), (11275, 37265), (13079, 32125), (14135, 29725)]