200029720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 525657600

約数和(自身を除く): 325627880

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 71, 76, 88, 95, 110, 142, 152, 190, 209, 220, 284, 337, 355, 380, 418, 440, 568, 674, 710, 760, 781, 836, 1045, 1348, 1349, 1420, 1562, 1672, 1685, 2090, 2696, 2698, 2840, 3124, 3370, 3707, 3905, 4180, 5396, 6248, 6403, 6740, 6745, 7414, 7810, 8360, 10792, 12806, 13480, 13490, 14828, 14839, 15620, 18535, 23927, 25612, 26980, 29656, 29678, 31240, 32015, 37070, 47854, 51224, 53960, 59356, 64030, 70433, 74140, 74195, 95708, 118712, 119635, 128060, 140866, 148280, 148390, 191416, 239270, 256120, 263197, 281732, 296780, 352165, 454613, 478540, 526394, 563464, 593560, 704330, 909226, 957080, 1052788, 1315985, 1408660, 1818452, 2105576, 2273065, 2631970, 2817320, 3636904, 4546130, 5000743, 5263940, 9092260, 10001486, 10527880, 18184520, 20002972, 25003715, 40005944, 50007430, 100014860, 200029720]

約数ペア:

[(1, 200029720), (2, 100014860), (4, 50007430), (5, 40005944), (8, 25003715), (10, 20002972), (11, 18184520), (19, 10527880), (20, 10001486), (22, 9092260), (38, 5263940), (40, 5000743), (44, 4546130), (55, 3636904), (71, 2817320), (76, 2631970), (88, 2273065), (95, 2105576), (110, 1818452), (142, 1408660), (152, 1315985), (190, 1052788), (209, 957080), (220, 909226), (284, 704330), (337, 593560), (355, 563464), (380, 526394), (418, 478540), (440, 454613), (568, 352165), (674, 296780), (710, 281732), (760, 263197), (781, 256120), (836, 239270), (1045, 191416), (1348, 148390), (1349, 148280), (1420, 140866), (1562, 128060), (1672, 119635), (1685, 118712), (2090, 95708), (2696, 74195), (2698, 74140), (2840, 70433), (3124, 64030), (3370, 59356), (3707, 53960), (3905, 51224), (4180, 47854), (5396, 37070), (6248, 32015), (6403, 31240), (6740, 29678), (6745, 29656), (7414, 26980), (7810, 25612), (8360, 23927), (10792, 18535), (12806, 15620), (13480, 14839), (13490, 14828)]