42728840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13873}}^1$

素因数の和:13902

約数の個数: 64

約数和(自身を含む): 119871360

約数和(自身を除く): 77142520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 13873, 27746, 55492, 69365, 97111, 110984, 138730, 152603, 194222, 277460, 305206, 388444, 485555, 554920, 610412, 763015, 776888, 971110, 1068221, 1220824, 1526030, 1942220, 2136442, 3052060, 3884440, 4272884, 5341105, 6104120, 8545768, 10682210, 21364420, 42728840]

約数ペア:

[(1, 42728840), (2, 21364420), (4, 10682210), (5, 8545768), (7, 6104120), (8, 5341105), (10, 4272884), (11, 3884440), (14, 3052060), (20, 2136442), (22, 1942220), (28, 1526030), (35, 1220824), (40, 1068221), (44, 971110), (55, 776888), (56, 763015), (70, 610412), (77, 554920), (88, 485555), (110, 388444), (140, 305206), (154, 277460), (220, 194222), (280, 152603), (308, 138730), (385, 110984), (440, 97111), (616, 69365), (770, 55492), (1540, 27746), (3080, 13873)]