225330320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2113}}^1$

素因数の和:2200

約数の個数: 80

約数和(自身を含む): 553631232

約数和(自身を除く): 328300912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1240, 1333, 1720, 2113, 2480, 2666, 3440, 4226, 5332, 6665, 8452, 10565, 10664, 13330, 16904, 21130, 21328, 26660, 33808, 42260, 53320, 65503, 84520, 90859, 106640, 131006, 169040, 181718, 262012, 327515, 363436, 454295, 524024, 655030, 726872, 908590, 1048048, 1310060, 1453744, 1817180, 2620120, 2816629, 3634360, 5240240, 5633258, 7268720, 11266516, 14083145, 22533032, 28166290, 45066064, 56332580, 112665160, 225330320]

約数ペア:

[(1, 225330320), (2, 112665160), (4, 56332580), (5, 45066064), (8, 28166290), (10, 22533032), (16, 14083145), (20, 11266516), (31, 7268720), (40, 5633258), (43, 5240240), (62, 3634360), (80, 2816629), (86, 2620120), (124, 1817180), (155, 1453744), (172, 1310060), (215, 1048048), (248, 908590), (310, 726872), (344, 655030), (430, 524024), (496, 454295), (620, 363436), (688, 327515), (860, 262012), (1240, 181718), (1333, 169040), (1720, 131006), (2113, 106640), (2480, 90859), (2666, 84520), (3440, 65503), (4226, 53320), (5332, 42260), (6665, 33808), (8452, 26660), (10565, 21328), (10664, 21130), (13330, 16904)]