212070400

素因数分解:

$2^{12}\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:162

約数の個数: 156

約数和(自身を含む): 558626200

約数和(自身を除く): 346555800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 109, 128, 152, 160, 190, 200, 218, 256, 304, 320, 380, 400, 436, 475, 512, 545, 608, 640, 760, 800, 872, 950, 1024, 1090, 1216, 1280, 1520, 1600, 1744, 1900, 2048, 2071, 2180, 2432, 2560, 2725, 3040, 3200, 3488, 3800, 4096, 4142, 4360, 4864, 5120, 5450, 6080, 6400, 6976, 7600, 8284, 8720, 9728, 10240, 10355, 10900, 12160, 12800, 13952, 15200, 16568, 17440, 19456, 20480, 20710, 21800, 24320, 25600, 27904, 30400, 33136, 34880, 38912, 41420, 43600, 48640, 51200, 51775, 55808, 60800, 66272, 69760, 77824, 82840, 87200, 97280, 102400, 103550, 111616, 121600, 132544, 139520, 165680, 174400, 194560, 207100, 223232, 243200, 265088, 279040, 331360, 348800, 389120, 414200, 446464, 486400, 530176, 558080, 662720, 697600, 828400, 972800, 1060352, 1116160, 1325440, 1395200, 1656800, 1945600, 2120704, 2232320, 2650880, 2790400, 3313600, 4241408, 5301760, 5580800, 6627200, 8482816, 10603520, 11161600, 13254400, 21207040, 26508800, 42414080, 53017600, 106035200, 212070400]

約数ペア:

[(1, 212070400), (2, 106035200), (4, 53017600), (5, 42414080), (8, 26508800), (10, 21207040), (16, 13254400), (19, 11161600), (20, 10603520), (25, 8482816), (32, 6627200), (38, 5580800), (40, 5301760), (50, 4241408), (64, 3313600), (76, 2790400), (80, 2650880), (95, 2232320), (100, 2120704), (109, 1945600), (128, 1656800), (152, 1395200), (160, 1325440), (190, 1116160), (200, 1060352), (218, 972800), (256, 828400), (304, 697600), (320, 662720), (380, 558080), (400, 530176), (436, 486400), (475, 446464), (512, 414200), (545, 389120), (608, 348800), (640, 331360), (760, 279040), (800, 265088), (872, 243200), (950, 223232), (1024, 207100), (1090, 194560), (1216, 174400), (1280, 165680), (1520, 139520), (1600, 132544), (1744, 121600), (1900, 111616), (2048, 103550), (2071, 102400), (2180, 97280), (2432, 87200), (2560, 82840), (2725, 77824), (3040, 69760), (3200, 66272), (3488, 60800), (3800, 55808), (4096, 51775), (4142, 51200), (4360, 48640), (4864, 43600), (5120, 41420), (5450, 38912), (6080, 34880), (6400, 33136), (6976, 30400), (7600, 27904), (8284, 25600), (8720, 24320), (9728, 21800), (10240, 20710), (10355, 20480), (10900, 19456), (12160, 17440), (12800, 16568), (13952, 15200)]