209409928

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 516334500

約数和(自身を除く): 306924572

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 49, 52, 56, 58, 91, 98, 104, 109, 116, 169, 182, 196, 203, 218, 232, 338, 364, 377, 392, 406, 436, 637, 676, 728, 754, 763, 812, 872, 1183, 1274, 1352, 1417, 1421, 1508, 1526, 1624, 2366, 2548, 2639, 2834, 2842, 3016, 3052, 3161, 4732, 4901, 5096, 5278, 5341, 5668, 5684, 6104, 6322, 8281, 9464, 9802, 9919, 10556, 10682, 11336, 11368, 12644, 16562, 18421, 18473, 19604, 19838, 21112, 21364, 22127, 25288, 33124, 34307, 36842, 36946, 39208, 39676, 41093, 42728, 44254, 66248, 68614, 69433, 73684, 73892, 79352, 82186, 88508, 128947, 137228, 138866, 147368, 147784, 154889, 164372, 177016, 240149, 257894, 274456, 277732, 287651, 309778, 328744, 480298, 515788, 534209, 555464, 575302, 619556, 902629, 960596, 1031576, 1068418, 1150604, 1239112, 1805258, 1921192, 2013557, 2136836, 2301208, 3610516, 3739463, 4027114, 4273672, 7221032, 7478926, 8054228, 14957852, 16108456, 26176241, 29915704, 52352482, 104704964, 209409928]

約数ペア:

[(1, 209409928), (2, 104704964), (4, 52352482), (7, 29915704), (8, 26176241), (13, 16108456), (14, 14957852), (26, 8054228), (28, 7478926), (29, 7221032), (49, 4273672), (52, 4027114), (56, 3739463), (58, 3610516), (91, 2301208), (98, 2136836), (104, 2013557), (109, 1921192), (116, 1805258), (169, 1239112), (182, 1150604), (196, 1068418), (203, 1031576), (218, 960596), (232, 902629), (338, 619556), (364, 575302), (377, 555464), (392, 534209), (406, 515788), (436, 480298), (637, 328744), (676, 309778), (728, 287651), (754, 277732), (763, 274456), (812, 257894), (872, 240149), (1183, 177016), (1274, 164372), (1352, 154889), (1417, 147784), (1421, 147368), (1508, 138866), (1526, 137228), (1624, 128947), (2366, 88508), (2548, 82186), (2639, 79352), (2834, 73892), (2842, 73684), (3016, 69433), (3052, 68614), (3161, 66248), (4732, 44254), (4901, 42728), (5096, 41093), (5278, 39676), (5341, 39208), (5668, 36946), (5684, 36842), (6104, 34307), (6322, 33124), (8281, 25288), (9464, 22127), (9802, 21364), (9919, 21112), (10556, 19838), (10682, 19604), (11336, 18473), (11368, 18421), (12644, 16562)]