40418028

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:345

約数の個数: 120

約数和(自身を含む): 122943744

約数和(自身を除く): 82525716

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 71, 81, 84, 108, 126, 142, 162, 189, 213, 251, 252, 284, 324, 378, 426, 497, 502, 567, 639, 753, 756, 852, 994, 1004, 1134, 1278, 1491, 1506, 1757, 1917, 1988, 2259, 2268, 2556, 2982, 3012, 3514, 3834, 4473, 4518, 5271, 5751, 5964, 6777, 7028, 7668, 8946, 9036, 10542, 11502, 13419, 13554, 15813, 17821, 17892, 20331, 21084, 23004, 26838, 27108, 31626, 35642, 40257, 40662, 47439, 53463, 53676, 63252, 71284, 80514, 81324, 94878, 106926, 124747, 142317, 160389, 161028, 189756, 213852, 249494, 284634, 320778, 374241, 481167, 498988, 569268, 641556, 748482, 962334, 1122723, 1443501, 1496964, 1924668, 2245446, 2887002, 3368169, 4490892, 5774004, 6736338, 10104507, 13472676, 20209014, 40418028]

約数ペア:

[(1, 40418028), (2, 20209014), (3, 13472676), (4, 10104507), (6, 6736338), (7, 5774004), (9, 4490892), (12, 3368169), (14, 2887002), (18, 2245446), (21, 1924668), (27, 1496964), (28, 1443501), (36, 1122723), (42, 962334), (54, 748482), (63, 641556), (71, 569268), (81, 498988), (84, 481167), (108, 374241), (126, 320778), (142, 284634), (162, 249494), (189, 213852), (213, 189756), (251, 161028), (252, 160389), (284, 142317), (324, 124747), (378, 106926), (426, 94878), (497, 81324), (502, 80514), (567, 71284), (639, 63252), (753, 53676), (756, 53463), (852, 47439), (994, 40662), (1004, 40257), (1134, 35642), (1278, 31626), (1491, 27108), (1506, 26838), (1757, 23004), (1917, 21084), (1988, 20331), (2259, 17892), (2268, 17821), (2556, 15813), (2982, 13554), (3012, 13419), (3514, 11502), (3834, 10542), (4473, 9036), (4518, 8946), (5271, 7668), (5751, 7028), (5964, 6777)]