220766868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{4447}}^1$

素因数の和:4661

約数の個数: 72

約数和(自身を含む): 641152512

約数和(自身を除く): 420385644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 197, 252, 394, 591, 788, 1182, 1379, 1773, 2364, 2758, 3546, 4137, 4447, 5516, 7092, 8274, 8894, 12411, 13341, 16548, 17788, 24822, 26682, 31129, 40023, 49644, 53364, 62258, 80046, 93387, 124516, 160092, 186774, 280161, 373548, 560322, 876059, 1120644, 1752118, 2628177, 3504236, 5256354, 6132413, 7884531, 10512708, 12264826, 15769062, 18397239, 24529652, 31538124, 36794478, 55191717, 73588956, 110383434, 220766868]

約数ペア:

[(1, 220766868), (2, 110383434), (3, 73588956), (4, 55191717), (6, 36794478), (7, 31538124), (9, 24529652), (12, 18397239), (14, 15769062), (18, 12264826), (21, 10512708), (28, 7884531), (36, 6132413), (42, 5256354), (63, 3504236), (84, 2628177), (126, 1752118), (197, 1120644), (252, 876059), (394, 560322), (591, 373548), (788, 280161), (1182, 186774), (1379, 160092), (1773, 124516), (2364, 93387), (2758, 80046), (3546, 62258), (4137, 53364), (4447, 49644), (5516, 40023), (7092, 31129), (8274, 26682), (8894, 24822), (12411, 17788), (13341, 16548)]