84127540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9851}}^1$

素因数の和:9928

約数の個数: 48

約数和(自身を含む): 205236864

約数和(自身を除く): 121109324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 9851, 19702, 39404, 49255, 68957, 98510, 137914, 197020, 275828, 344785, 600911, 689570, 1201822, 1379140, 2403644, 3004555, 4206377, 6009110, 8412754, 12018220, 16825508, 21031885, 42063770, 84127540]

約数ペア:

[(1, 84127540), (2, 42063770), (4, 21031885), (5, 16825508), (7, 12018220), (10, 8412754), (14, 6009110), (20, 4206377), (28, 3004555), (35, 2403644), (61, 1379140), (70, 1201822), (122, 689570), (140, 600911), (244, 344785), (305, 275828), (427, 197020), (610, 137914), (854, 98510), (1220, 68957), (1708, 49255), (2135, 39404), (4270, 19702), (8540, 9851)]