2017801720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{42859}}^1$

素因数の和:42988

約数の個数: 64

約数和(自身を含む): 4999190400

約数和(自身を除く): 2981388680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 214, 220, 428, 440, 535, 856, 1070, 1177, 2140, 2354, 4280, 4708, 5885, 9416, 11770, 23540, 42859, 47080, 85718, 171436, 214295, 342872, 428590, 471449, 857180, 942898, 1714360, 1885796, 2357245, 3771592, 4585913, 4714490, 9171826, 9428980, 18343652, 18857960, 22929565, 36687304, 45859130, 50445043, 91718260, 100890086, 183436520, 201780172, 252225215, 403560344, 504450430, 1008900860, 2017801720]

約数ペア:

[(1, 2017801720), (2, 1008900860), (4, 504450430), (5, 403560344), (8, 252225215), (10, 201780172), (11, 183436520), (20, 100890086), (22, 91718260), (40, 50445043), (44, 45859130), (55, 36687304), (88, 22929565), (107, 18857960), (110, 18343652), (214, 9428980), (220, 9171826), (428, 4714490), (440, 4585913), (535, 3771592), (856, 2357245), (1070, 1885796), (1177, 1714360), (2140, 942898), (2354, 857180), (4280, 471449), (4708, 428590), (5885, 342872), (9416, 214295), (11770, 171436), (23540, 85718), (42859, 47080)]