2017754360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{6781}}^1$

素因数の和:7008

約数の個数: 64

約数和(自身を含む): 4673069280

約数和(自身を除く): 2655314920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 173, 215, 344, 346, 430, 692, 860, 865, 1384, 1720, 1730, 3460, 6781, 6920, 7439, 13562, 14878, 27124, 29756, 33905, 37195, 54248, 59512, 67810, 74390, 135620, 148780, 271240, 291583, 297560, 583166, 1166332, 1173113, 1457915, 2332664, 2346226, 2915830, 4692452, 5831660, 5865565, 9384904, 11663320, 11731130, 23462260, 46924520, 50443859, 100887718, 201775436, 252219295, 403550872, 504438590, 1008877180, 2017754360]

約数ペア:

[(1, 2017754360), (2, 1008877180), (4, 504438590), (5, 403550872), (8, 252219295), (10, 201775436), (20, 100887718), (40, 50443859), (43, 46924520), (86, 23462260), (172, 11731130), (173, 11663320), (215, 9384904), (344, 5865565), (346, 5831660), (430, 4692452), (692, 2915830), (860, 2346226), (865, 2332664), (1384, 1457915), (1720, 1173113), (1730, 1166332), (3460, 583166), (6781, 297560), (6920, 291583), (7439, 271240), (13562, 148780), (14878, 135620), (27124, 74390), (29756, 67810), (33905, 59512), (37195, 54248)]