2019886880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{1033}}^1$

素因数の和:1171

約数の個数: 144

約数和(自身を含む): 5302298232

約数和(自身を除く): 3282411352

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 101, 110, 121, 160, 176, 202, 220, 242, 352, 404, 440, 484, 505, 605, 808, 880, 968, 1010, 1033, 1111, 1210, 1616, 1760, 1936, 2020, 2066, 2222, 2420, 3232, 3872, 4040, 4132, 4444, 4840, 5165, 5555, 8080, 8264, 8888, 9680, 10330, 11110, 11363, 12221, 16160, 16528, 17776, 19360, 20660, 22220, 22726, 24442, 33056, 35552, 41320, 44440, 45452, 48884, 56815, 61105, 82640, 88880, 90904, 97768, 104333, 113630, 122210, 124993, 165280, 177760, 181808, 195536, 208666, 227260, 244420, 249986, 363616, 391072, 417332, 454520, 488840, 499972, 521665, 624965, 834664, 909040, 977680, 999944, 1043330, 1147663, 1249930, 1669328, 1818080, 1955360, 1999888, 2086660, 2295326, 2499860, 3338656, 3999776, 4173320, 4590652, 4999720, 5738315, 8346640, 9181304, 9999440, 11476630, 12624293, 16693280, 18362608, 19998880, 22953260, 25248586, 36725216, 45906520, 50497172, 63121465, 91813040, 100994344, 126242930, 183626080, 201988688, 252485860, 403977376, 504971720, 1009943440, 2019886880]

約数ペア:

[(1, 2019886880), (2, 1009943440), (4, 504971720), (5, 403977376), (8, 252485860), (10, 201988688), (11, 183626080), (16, 126242930), (20, 100994344), (22, 91813040), (32, 63121465), (40, 50497172), (44, 45906520), (55, 36725216), (80, 25248586), (88, 22953260), (101, 19998880), (110, 18362608), (121, 16693280), (160, 12624293), (176, 11476630), (202, 9999440), (220, 9181304), (242, 8346640), (352, 5738315), (404, 4999720), (440, 4590652), (484, 4173320), (505, 3999776), (605, 3338656), (808, 2499860), (880, 2295326), (968, 2086660), (1010, 1999888), (1033, 1955360), (1111, 1818080), (1210, 1669328), (1616, 1249930), (1760, 1147663), (1936, 1043330), (2020, 999944), (2066, 977680), (2222, 909040), (2420, 834664), (3232, 624965), (3872, 521665), (4040, 499972), (4132, 488840), (4444, 454520), (4840, 417332), (5165, 391072), (5555, 363616), (8080, 249986), (8264, 244420), (8888, 227260), (9680, 208666), (10330, 195536), (11110, 181808), (11363, 177760), (12221, 165280), (16160, 124993), (16528, 122210), (17776, 113630), (19360, 104333), (20660, 97768), (22220, 90904), (22726, 88880), (24442, 82640), (33056, 61105), (35552, 56815), (41320, 48884), (44440, 45452)]