427500780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1017859}}^1$

素因数の和:1017878

約数の個数: 48

約数和(自身を含む): 1368003840

約数和(自身を除く): 940503060

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, 1017859, 2035718, 3053577, 4071436, 5089295, 6107154, 7125013, 10178590, 12214308, 14250026, 15267885, 20357180, 21375039, 28500052, 30535770, 35625065, 42750078, 61071540, 71250130, 85500156, 106875195, 142500260, 213750390, 427500780]

約数ペア:

[(1, 427500780), (2, 213750390), (3, 142500260), (4, 106875195), (5, 85500156), (6, 71250130), (7, 61071540), (10, 42750078), (12, 35625065), (14, 30535770), (15, 28500052), (20, 21375039), (21, 20357180), (28, 15267885), (30, 14250026), (35, 12214308), (42, 10178590), (60, 7125013), (70, 6107154), (84, 5089295), (105, 4071436), (140, 3053577), (210, 2035718), (420, 1017859)]