8827980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{21019}}^1$

素因数の和:21038

約数の個数: 48

約数和(自身を含む): 28250880

約数和(自身を除く): 19422900

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, 21019, 42038, 63057, 84076, 105095, 126114, 147133, 210190, 252228, 294266, 315285, 420380, 441399, 588532, 630570, 735665, 882798, 1261140, 1471330, 1765596, 2206995, 2942660, 4413990, 8827980]

約数ペア:

[(1, 8827980), (2, 4413990), (3, 2942660), (4, 2206995), (5, 1765596), (6, 1471330), (7, 1261140), (10, 882798), (12, 735665), (14, 630570), (15, 588532), (20, 441399), (21, 420380), (28, 315285), (30, 294266), (35, 252228), (42, 210190), (60, 147133), (70, 126114), (84, 105095), (105, 84076), (140, 63057), (210, 42038), (420, 21019)]