28711900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41017}}^1$

素因数の和:41038

約数の個数: 36

約数和(自身を含む): 71207248

約数和(自身を除く): 42495348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 41017, 82034, 164068, 205085, 287119, 410170, 574238, 820340, 1025425, 1148476, 1435595, 2050850, 2871190, 4101700, 5742380, 7177975, 14355950, 28711900]

約数ペア:

[(1, 28711900), (2, 14355950), (4, 7177975), (5, 5742380), (7, 4101700), (10, 2871190), (14, 2050850), (20, 1435595), (25, 1148476), (28, 1025425), (35, 820340), (50, 574238), (70, 410170), (100, 287119), (140, 205085), (175, 164068), (350, 82034), (700, 41017)]