398522040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3463}}^1$

素因数の和:3621

約数の個数: 128

約数和(自身を含む): 1376732160

約数和(自身を除く): 978210120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 137, 140, 168, 210, 274, 280, 411, 420, 548, 685, 822, 840, 959, 1096, 1370, 1644, 1918, 2055, 2740, 2877, 3288, 3463, 3836, 4110, 4795, 5480, 5754, 6926, 7672, 8220, 9590, 10389, 11508, 13852, 14385, 16440, 17315, 19180, 20778, 23016, 24241, 27704, 28770, 34630, 38360, 41556, 48482, 51945, 57540, 69260, 72723, 83112, 96964, 103890, 115080, 121205, 138520, 145446, 193928, 207780, 242410, 290892, 363615, 415560, 474431, 484820, 581784, 727230, 948862, 969640, 1423293, 1454460, 1897724, 2372155, 2846586, 2908920, 3321017, 3795448, 4744310, 5693172, 6642034, 7116465, 9488620, 9963051, 11386344, 13284068, 14232930, 16605085, 18977240, 19926102, 26568136, 28465860, 33210170, 39852204, 49815255, 56931720, 66420340, 79704408, 99630510, 132840680, 199261020, 398522040]

約数ペア:

[(1, 398522040), (2, 199261020), (3, 132840680), (4, 99630510), (5, 79704408), (6, 66420340), (7, 56931720), (8, 49815255), (10, 39852204), (12, 33210170), (14, 28465860), (15, 26568136), (20, 19926102), (21, 18977240), (24, 16605085), (28, 14232930), (30, 13284068), (35, 11386344), (40, 9963051), (42, 9488620), (56, 7116465), (60, 6642034), (70, 5693172), (84, 4744310), (105, 3795448), (120, 3321017), (137, 2908920), (140, 2846586), (168, 2372155), (210, 1897724), (274, 1454460), (280, 1423293), (411, 969640), (420, 948862), (548, 727230), (685, 581784), (822, 484820), (840, 474431), (959, 415560), (1096, 363615), (1370, 290892), (1644, 242410), (1918, 207780), (2055, 193928), (2740, 145446), (2877, 138520), (3288, 121205), (3463, 115080), (3836, 103890), (4110, 96964), (4795, 83112), (5480, 72723), (5754, 69260), (6926, 57540), (7672, 51945), (8220, 48482), (9590, 41556), (10389, 38360), (11508, 34630), (13852, 28770), (14385, 27704), (16440, 24241), (17315, 23016), (19180, 20778)]