77142340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 180182016

約数和(自身を除く): 103039676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 127, 220, 242, 251, 254, 484, 502, 508, 605, 635, 1004, 1210, 1255, 1270, 1397, 2420, 2510, 2540, 2761, 2794, 5020, 5522, 5588, 6985, 11044, 13805, 13970, 15367, 27610, 27940, 30371, 30734, 31877, 55220, 60742, 61468, 63754, 76835, 121484, 127508, 151855, 153670, 159385, 303710, 307340, 318770, 350647, 607420, 637540, 701294, 1402588, 1753235, 3506470, 3857117, 7012940, 7714234, 15428468, 19285585, 38571170, 77142340]

約数ペア:

[(1, 77142340), (2, 38571170), (4, 19285585), (5, 15428468), (10, 7714234), (11, 7012940), (20, 3857117), (22, 3506470), (44, 1753235), (55, 1402588), (110, 701294), (121, 637540), (127, 607420), (220, 350647), (242, 318770), (251, 307340), (254, 303710), (484, 159385), (502, 153670), (508, 151855), (605, 127508), (635, 121484), (1004, 76835), (1210, 63754), (1255, 61468), (1270, 60742), (1397, 55220), (2420, 31877), (2510, 30734), (2540, 30371), (2761, 27940), (2794, 27610), (5020, 15367), (5522, 13970), (5588, 13805), (6985, 11044)]