195440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{349}}^1$

素因数の和:369

約数の個数: 40

約数和(自身を含む): 520800

約数和(自身を除く): 325360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 349, 560, 698, 1396, 1745, 2443, 2792, 3490, 4886, 5584, 6980, 9772, 12215, 13960, 19544, 24430, 27920, 39088, 48860, 97720, 195440]

約数ペア:

[(1, 195440), (2, 97720), (4, 48860), (5, 39088), (7, 27920), (8, 24430), (10, 19544), (14, 13960), (16, 12215), (20, 9772), (28, 6980), (35, 5584), (40, 4886), (56, 3490), (70, 2792), (80, 2443), (112, 1745), (140, 1396), (280, 698), (349, 560)]