8491980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20219}}^1$

素因数の和:20238

約数の個数: 48

約数和(自身を含む): 27175680

約数和(自身を除く): 18683700

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, 20219, 40438, 60657, 80876, 101095, 121314, 141533, 202190, 242628, 283066, 303285, 404380, 424599, 566132, 606570, 707665, 849198, 1213140, 1415330, 1698396, 2122995, 2830660, 4245990, 8491980]

約数ペア:

[(1, 8491980), (2, 4245990), (3, 2830660), (4, 2122995), (5, 1698396), (6, 1415330), (7, 1213140), (10, 849198), (12, 707665), (14, 606570), (15, 566132), (20, 424599), (21, 404380), (28, 303285), (30, 283066), (35, 242628), (42, 202190), (60, 141533), (70, 121314), (84, 101095), (105, 80876), (140, 60657), (210, 40438), (420, 20219)]