415946580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{990349}}^1$

素因数の和:990368

約数の個数: 48

約数和(自身を含む): 1331030400

約数和(自身を除く): 915083820

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, 990349, 1980698, 2971047, 3961396, 4951745, 5942094, 6932443, 9903490, 11884188, 13864886, 14855235, 19806980, 20797329, 27729772, 29710470, 34662215, 41594658, 59420940, 69324430, 83189316, 103986645, 138648860, 207973290, 415946580]

約数ペア:

[(1, 415946580), (2, 207973290), (3, 138648860), (4, 103986645), (5, 83189316), (6, 69324430), (7, 59420940), (10, 41594658), (12, 34662215), (14, 29710470), (15, 27729772), (20, 20797329), (21, 19806980), (28, 14855235), (30, 13864886), (35, 11884188), (42, 9903490), (60, 6932443), (70, 5942094), (84, 4951745), (105, 3961396), (140, 2971047), (210, 1980698), (420, 990349)]