221955440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{396349}}^1$

素因数の和:396369

約数の個数: 40

約数和(自身を含む): 589768800

約数和(自身を除く): 367813360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 396349, 792698, 1585396, 1981745, 2774443, 3170792, 3963490, 5548886, 6341584, 7926980, 11097772, 13872215, 15853960, 22195544, 27744430, 31707920, 44391088, 55488860, 110977720, 221955440]

約数ペア:

[(1, 221955440), (2, 110977720), (4, 55488860), (5, 44391088), (7, 31707920), (8, 27744430), (10, 22195544), (14, 15853960), (16, 13872215), (20, 11097772), (28, 7926980), (35, 6341584), (40, 5548886), (56, 3963490), (70, 3170792), (80, 2774443), (112, 1981745), (140, 1585396), (280, 792698), (560, 396349)]