209217540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{8443}}^1$

素因数の和:8521

約数の個数: 96

約数和(自身を含む): 680924160

約数和(自身を除く): 471706620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 59, 60, 70, 84, 105, 118, 140, 177, 210, 236, 295, 354, 413, 420, 590, 708, 826, 885, 1180, 1239, 1652, 1770, 2065, 2478, 3540, 4130, 4956, 6195, 8260, 8443, 12390, 16886, 24780, 25329, 33772, 42215, 50658, 59101, 84430, 101316, 118202, 126645, 168860, 177303, 236404, 253290, 295505, 354606, 498137, 506580, 591010, 709212, 886515, 996274, 1182020, 1494411, 1773030, 1992548, 2490685, 2988822, 3486959, 3546060, 4981370, 5977644, 6973918, 7472055, 9962740, 10460877, 13947836, 14944110, 17434795, 20921754, 29888220, 34869590, 41843508, 52304385, 69739180, 104608770, 209217540]

約数ペア:

[(1, 209217540), (2, 104608770), (3, 69739180), (4, 52304385), (5, 41843508), (6, 34869590), (7, 29888220), (10, 20921754), (12, 17434795), (14, 14944110), (15, 13947836), (20, 10460877), (21, 9962740), (28, 7472055), (30, 6973918), (35, 5977644), (42, 4981370), (59, 3546060), (60, 3486959), (70, 2988822), (84, 2490685), (105, 1992548), (118, 1773030), (140, 1494411), (177, 1182020), (210, 996274), (236, 886515), (295, 709212), (354, 591010), (413, 506580), (420, 498137), (590, 354606), (708, 295505), (826, 253290), (885, 236404), (1180, 177303), (1239, 168860), (1652, 126645), (1770, 118202), (2065, 101316), (2478, 84430), (3540, 59101), (4130, 50658), (4956, 42215), (6195, 33772), (8260, 25329), (8443, 24780), (12390, 16886)]