2947980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{7019}}^1$

素因数の和:7038

約数の個数: 48

約数和(自身を含む): 9434880

約数和(自身を除く): 6486900

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, 7019, 14038, 21057, 28076, 35095, 42114, 49133, 70190, 84228, 98266, 105285, 140380, 147399, 196532, 210570, 245665, 294798, 421140, 491330, 589596, 736995, 982660, 1473990, 2947980]

約数ペア:

[(1, 2947980), (2, 1473990), (3, 982660), (4, 736995), (5, 589596), (6, 491330), (7, 421140), (10, 294798), (12, 245665), (14, 210570), (15, 196532), (20, 147399), (21, 140380), (28, 105285), (30, 98266), (35, 84228), (42, 70190), (60, 49133), (70, 42114), (84, 35095), (105, 28076), (140, 21057), (210, 14038), (420, 7019)]