17017980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{40519}}^1$

素因数の和:40538

約数の個数: 48

約数和(自身を含む): 54458880

約数和(自身を除く): 37440900

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, 40519, 81038, 121557, 162076, 202595, 243114, 283633, 405190, 486228, 567266, 607785, 810380, 850899, 1134532, 1215570, 1418165, 1701798, 2431140, 2836330, 3403596, 4254495, 5672660, 8508990, 17017980]

約数ペア:

[(1, 17017980), (2, 8508990), (3, 5672660), (4, 4254495), (5, 3403596), (6, 2836330), (7, 2431140), (10, 1701798), (12, 1418165), (14, 1215570), (15, 1134532), (20, 850899), (21, 810380), (28, 607785), (30, 567266), (35, 486228), (42, 405190), (60, 283633), (70, 243114), (84, 202595), (105, 162076), (140, 121557), (210, 81038), (420, 40519)]