108221820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{257671}}^1$

素因数の和:257690

約数の個数: 48

約数和(自身を含む): 346311168

約数和(自身を除く): 238089348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 257671, 515342, 773013, 1030684, 1288355, 1546026, 1803697, 2576710, 3092052, 3607394, 3865065, 5153420, 5411091, 7214788, 7730130, 9018485, 10822182, 15460260, 18036970, 21644364, 27055455, 36073940, 54110910, 108221820]

約数ペア:

[(1, 108221820), (2, 54110910), (3, 36073940), (4, 27055455), (5, 21644364), (6, 18036970), (7, 15460260), (10, 10822182), (12, 9018485), (14, 7730130), (15, 7214788), (20, 5411091), (21, 5153420), (28, 3865065), (30, 3607394), (35, 3092052), (42, 2576710), (60, 1803697), (70, 1546026), (84, 1288355), (105, 1030684), (140, 773013), (210, 515342), (420, 257671)]