213340260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{507953}}^1$

素因数の和:507972

約数の個数: 48

約数和(自身を含む): 682690176

約数和(自身を除く): 469349916

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, 507953, 1015906, 1523859, 2031812, 2539765, 3047718, 3555671, 5079530, 6095436, 7111342, 7619295, 10159060, 10667013, 14222684, 15238590, 17778355, 21334026, 30477180, 35556710, 42668052, 53335065, 71113420, 106670130, 213340260]

約数ペア:

[(1, 213340260), (2, 106670130), (3, 71113420), (4, 53335065), (5, 42668052), (6, 35556710), (7, 30477180), (10, 21334026), (12, 17778355), (14, 15238590), (15, 14222684), (20, 10667013), (21, 10159060), (28, 7619295), (30, 7111342), (35, 6095436), (42, 5079530), (60, 3555671), (70, 3047718), (84, 2539765), (105, 2031812), (140, 1523859), (210, 1015906), (420, 507953)]