280023156

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{311}}^1\times {\mathrm{397}}^1$

素因数の和:731

約数の個数: 120

約数和(自身を含む): 841416576

約数和(自身を除く): 561393420

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 311, 324, 378, 397, 567, 622, 756, 794, 933, 1134, 1191, 1244, 1588, 1866, 2177, 2268, 2382, 2779, 2799, 3573, 3732, 4354, 4764, 5558, 5598, 6531, 7146, 8337, 8397, 8708, 10719, 11116, 11196, 13062, 14292, 16674, 16794, 19593, 21438, 25011, 25191, 26124, 32157, 33348, 33588, 39186, 42876, 50022, 50382, 58779, 64314, 75033, 78372, 100044, 100764, 117558, 123467, 128628, 150066, 176337, 225099, 235116, 246934, 300132, 352674, 370401, 450198, 493868, 705348, 740802, 864269, 900396, 1111203, 1481604, 1728538, 2222406, 2592807, 3333609, 3457076, 4444812, 5185614, 6667218, 7778421, 10000827, 10371228, 13334436, 15556842, 20001654, 23335263, 31113684, 40003308, 46670526, 70005789, 93341052, 140011578, 280023156]

約数ペア:

[(1, 280023156), (2, 140011578), (3, 93341052), (4, 70005789), (6, 46670526), (7, 40003308), (9, 31113684), (12, 23335263), (14, 20001654), (18, 15556842), (21, 13334436), (27, 10371228), (28, 10000827), (36, 7778421), (42, 6667218), (54, 5185614), (63, 4444812), (81, 3457076), (84, 3333609), (108, 2592807), (126, 2222406), (162, 1728538), (189, 1481604), (252, 1111203), (311, 900396), (324, 864269), (378, 740802), (397, 705348), (567, 493868), (622, 450198), (756, 370401), (794, 352674), (933, 300132), (1134, 246934), (1191, 235116), (1244, 225099), (1588, 176337), (1866, 150066), (2177, 128628), (2268, 123467), (2382, 117558), (2779, 100764), (2799, 100044), (3573, 78372), (3732, 75033), (4354, 64314), (4764, 58779), (5558, 50382), (5598, 50022), (6531, 42876), (7146, 39186), (8337, 33588), (8397, 33348), (8708, 32157), (10719, 26124), (11116, 25191), (11196, 25011), (13062, 21438), (14292, 19593), (16674, 16794)]