40008892

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{241}}^1$

素因数の和:288

約数の個数: 72

約数和(自身を含む): 90120800

約数和(自身を除く): 50111908

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 241, 242, 308, 343, 482, 484, 539, 686, 847, 964, 1078, 1372, 1687, 1694, 2156, 2651, 3374, 3388, 3773, 5302, 5929, 6748, 7546, 10604, 11809, 11858, 15092, 18557, 23618, 23716, 29161, 37114, 41503, 47236, 58322, 74228, 82663, 83006, 116644, 129899, 165326, 166012, 204127, 259798, 330652, 408254, 519596, 816508, 909293, 1428889, 1818586, 2857778, 3637172, 5715556, 10002223, 20004446, 40008892]

約数ペア:

[(1, 40008892), (2, 20004446), (4, 10002223), (7, 5715556), (11, 3637172), (14, 2857778), (22, 1818586), (28, 1428889), (44, 909293), (49, 816508), (77, 519596), (98, 408254), (121, 330652), (154, 259798), (196, 204127), (241, 166012), (242, 165326), (308, 129899), (343, 116644), (482, 83006), (484, 82663), (539, 74228), (686, 58322), (847, 47236), (964, 41503), (1078, 37114), (1372, 29161), (1687, 23716), (1694, 23618), (2156, 18557), (2651, 15092), (3374, 11858), (3388, 11809), (3773, 10604), (5302, 7546), (5929, 6748)]