209950720

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:164

約数の個数: 192

約数和(自身を含む): 601473600

約数和(自身を除く): 391522880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 101, 112, 116, 128, 140, 145, 160, 202, 203, 224, 232, 256, 280, 290, 320, 404, 406, 448, 464, 505, 512, 560, 580, 640, 707, 808, 812, 896, 928, 1010, 1015, 1024, 1120, 1160, 1280, 1414, 1616, 1624, 1792, 1856, 2020, 2030, 2048, 2240, 2320, 2560, 2828, 2929, 3232, 3248, 3535, 3584, 3712, 4040, 4060, 4480, 4640, 5120, 5656, 5858, 6464, 6496, 7070, 7168, 7424, 8080, 8120, 8960, 9280, 10240, 11312, 11716, 12928, 12992, 14140, 14336, 14645, 14848, 16160, 16240, 17920, 18560, 20503, 22624, 23432, 25856, 25984, 28280, 29290, 29696, 32320, 32480, 35840, 37120, 41006, 45248, 46864, 51712, 51968, 56560, 58580, 59392, 64640, 64960, 71680, 74240, 82012, 90496, 93728, 102515, 103424, 103936, 113120, 117160, 129280, 129920, 148480, 164024, 180992, 187456, 205030, 206848, 207872, 226240, 234320, 258560, 259840, 296960, 328048, 361984, 374912, 410060, 415744, 452480, 468640, 517120, 519680, 656096, 723968, 749824, 820120, 904960, 937280, 1034240, 1039360, 1312192, 1447936, 1499648, 1640240, 1809920, 1874560, 2078720, 2624384, 2999296, 3280480, 3619840, 3749120, 5248768, 5998592, 6560960, 7239680, 7498240, 10497536, 13121920, 14996480, 20995072, 26243840, 29992960, 41990144, 52487680, 104975360, 209950720]

約数ペア:

[(1, 209950720), (2, 104975360), (4, 52487680), (5, 41990144), (7, 29992960), (8, 26243840), (10, 20995072), (14, 14996480), (16, 13121920), (20, 10497536), (28, 7498240), (29, 7239680), (32, 6560960), (35, 5998592), (40, 5248768), (56, 3749120), (58, 3619840), (64, 3280480), (70, 2999296), (80, 2624384), (101, 2078720), (112, 1874560), (116, 1809920), (128, 1640240), (140, 1499648), (145, 1447936), (160, 1312192), (202, 1039360), (203, 1034240), (224, 937280), (232, 904960), (256, 820120), (280, 749824), (290, 723968), (320, 656096), (404, 519680), (406, 517120), (448, 468640), (464, 452480), (505, 415744), (512, 410060), (560, 374912), (580, 361984), (640, 328048), (707, 296960), (808, 259840), (812, 258560), (896, 234320), (928, 226240), (1010, 207872), (1015, 206848), (1024, 205030), (1120, 187456), (1160, 180992), (1280, 164024), (1414, 148480), (1616, 129920), (1624, 129280), (1792, 117160), (1856, 113120), (2020, 103936), (2030, 103424), (2048, 102515), (2240, 93728), (2320, 90496), (2560, 82012), (2828, 74240), (2929, 71680), (3232, 64960), (3248, 64640), (3535, 59392), (3584, 58580), (3712, 56560), (4040, 51968), (4060, 51712), (4480, 46864), (4640, 45248), (5120, 41006), (5656, 37120), (5858, 35840), (6464, 32480), (6496, 32320), (7070, 29696), (7168, 29290), (7424, 28280), (8080, 25984), (8120, 25856), (8960, 23432), (9280, 22624), (10240, 20503), (11312, 18560), (11716, 17920), (12928, 16240), (12992, 16160), (14140, 14848), (14336, 14645)]