28137340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{151}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 74769408

約数和(自身を除く): 46632068

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 151, 154, 220, 242, 302, 308, 385, 484, 604, 605, 755, 770, 847, 1057, 1210, 1331, 1510, 1540, 1661, 1694, 2114, 2420, 2662, 3020, 3322, 3388, 4228, 4235, 5285, 5324, 6644, 6655, 8305, 8470, 9317, 10570, 11627, 13310, 16610, 16940, 18271, 18634, 21140, 23254, 26620, 33220, 36542, 37268, 46508, 46585, 58135, 73084, 91355, 93170, 116270, 127897, 182710, 186340, 200981, 232540, 255794, 365420, 401962, 511588, 639485, 803924, 1004905, 1278970, 1406867, 2009810, 2557940, 2813734, 4019620, 5627468, 7034335, 14068670, 28137340]

約数ペア:

[(1, 28137340), (2, 14068670), (4, 7034335), (5, 5627468), (7, 4019620), (10, 2813734), (11, 2557940), (14, 2009810), (20, 1406867), (22, 1278970), (28, 1004905), (35, 803924), (44, 639485), (55, 511588), (70, 401962), (77, 365420), (110, 255794), (121, 232540), (140, 200981), (151, 186340), (154, 182710), (220, 127897), (242, 116270), (302, 93170), (308, 91355), (385, 73084), (484, 58135), (604, 46585), (605, 46508), (755, 37268), (770, 36542), (847, 33220), (1057, 26620), (1210, 23254), (1331, 21140), (1510, 18634), (1540, 18271), (1661, 16940), (1694, 16610), (2114, 13310), (2420, 11627), (2662, 10570), (3020, 9317), (3322, 8470), (3388, 8305), (4228, 6655), (4235, 6644), (5285, 5324)]