201971440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{811}}^1$

素因数の和:1118

約数の個数: 80

約数和(自身を含む): 514717056

約数和(自身を除く): 312745616

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 283, 440, 566, 811, 880, 1132, 1415, 1622, 2264, 2830, 3113, 3244, 4055, 4528, 5660, 6226, 6488, 8110, 8921, 11320, 12452, 12976, 15565, 16220, 17842, 22640, 24904, 31130, 32440, 35684, 44605, 49808, 62260, 64880, 71368, 89210, 124520, 142736, 178420, 229513, 249040, 356840, 459026, 713680, 918052, 1147565, 1836104, 2295130, 2524643, 3672208, 4590260, 5049286, 9180520, 10098572, 12623215, 18361040, 20197144, 25246430, 40394288, 50492860, 100985720, 201971440]

約数ペア:

[(1, 201971440), (2, 100985720), (4, 50492860), (5, 40394288), (8, 25246430), (10, 20197144), (11, 18361040), (16, 12623215), (20, 10098572), (22, 9180520), (40, 5049286), (44, 4590260), (55, 3672208), (80, 2524643), (88, 2295130), (110, 1836104), (176, 1147565), (220, 918052), (283, 713680), (440, 459026), (566, 356840), (811, 249040), (880, 229513), (1132, 178420), (1415, 142736), (1622, 124520), (2264, 89210), (2830, 71368), (3113, 64880), (3244, 62260), (4055, 49808), (4528, 44605), (5660, 35684), (6226, 32440), (6488, 31130), (8110, 24904), (8921, 22640), (11320, 17842), (12452, 16220), (12976, 15565)]