201998720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4099}}^1$

素因数の和:4136

約数の個数: 128

約数和(自身を含む): 602208000

約数和(自身を除く): 400209280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1760, 2240, 2464, 3080, 3520, 4099, 4480, 4928, 6160, 7040, 8198, 9856, 12320, 16396, 20495, 24640, 28693, 32792, 40990, 45089, 49280, 57386, 65584, 81980, 90178, 114772, 131168, 143465, 163960, 180356, 225445, 229544, 262336, 286930, 315623, 327920, 360712, 450890, 459088, 524672, 573860, 631246, 655840, 721424, 901780, 918176, 1147720, 1262492, 1311680, 1442848, 1578115, 1803560, 1836352, 2295440, 2524984, 2623360, 2885696, 3156230, 3607120, 3672704, 4590880, 5049968, 5771392, 6312460, 7214240, 9181760, 10099936, 12624920, 14428480, 18363520, 20199872, 25249840, 28856960, 40399744, 50499680, 100999360, 201998720]

約数ペア:

[(1, 201998720), (2, 100999360), (4, 50499680), (5, 40399744), (7, 28856960), (8, 25249840), (10, 20199872), (11, 18363520), (14, 14428480), (16, 12624920), (20, 10099936), (22, 9181760), (28, 7214240), (32, 6312460), (35, 5771392), (40, 5049968), (44, 4590880), (55, 3672704), (56, 3607120), (64, 3156230), (70, 2885696), (77, 2623360), (80, 2524984), (88, 2295440), (110, 1836352), (112, 1803560), (128, 1578115), (140, 1442848), (154, 1311680), (160, 1262492), (176, 1147720), (220, 918176), (224, 901780), (280, 721424), (308, 655840), (320, 631246), (352, 573860), (385, 524672), (440, 459088), (448, 450890), (560, 360712), (616, 327920), (640, 315623), (704, 286930), (770, 262336), (880, 229544), (896, 225445), (1120, 180356), (1232, 163960), (1408, 143465), (1540, 131168), (1760, 114772), (2240, 90178), (2464, 81980), (3080, 65584), (3520, 57386), (4099, 49280), (4480, 45089), (4928, 40990), (6160, 32792), (7040, 28693), (8198, 24640), (9856, 20495), (12320, 16396)]