217601320

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{74521}}^1$

素因数の和:74605

約数の個数: 32

約数和(自身を含む): 496316520

約数和(自身を除く): 278715200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 74521, 149042, 298084, 372605, 596168, 745210, 1490420, 2980840, 5440033, 10880066, 21760132, 27200165, 43520264, 54400330, 108800660, 217601320]

約数ペア:

[(1, 217601320), (2, 108800660), (4, 54400330), (5, 43520264), (8, 27200165), (10, 21760132), (20, 10880066), (40, 5440033), (73, 2980840), (146, 1490420), (292, 745210), (365, 596168), (584, 372605), (730, 298084), (1460, 149042), (2920, 74521)]