289739940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:874

約数の個数: 144

約数和(自身を含む): 951854400

約数和(自身を除く): 662114460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 139, 140, 147, 196, 210, 245, 278, 294, 417, 420, 490, 556, 588, 695, 709, 735, 834, 973, 980, 1390, 1418, 1470, 1668, 1946, 2085, 2127, 2780, 2836, 2919, 2940, 3545, 3892, 4170, 4254, 4865, 4963, 5838, 6811, 7090, 8340, 8508, 9730, 9926, 10635, 11676, 13622, 14180, 14595, 14889, 19460, 19852, 20433, 21270, 24815, 27244, 29190, 29778, 34055, 34741, 40866, 42540, 49630, 58380, 59556, 68110, 69482, 74445, 81732, 98551, 99260, 102165, 104223, 136220, 138964, 148890, 173705, 197102, 204330, 208446, 295653, 297780, 347410, 394204, 408660, 416892, 492755, 521115, 591306, 689857, 694820, 985510, 1042230, 1182612, 1379714, 1478265, 1971020, 2069571, 2084460, 2759428, 2956530, 3449285, 4139142, 4828999, 5913060, 6898570, 8278284, 9657998, 10347855, 13797140, 14486997, 19315996, 20695710, 24144995, 28973994, 41391420, 48289990, 57947988, 72434985, 96579980, 144869970, 289739940]

約数ペア:

[(1, 289739940), (2, 144869970), (3, 96579980), (4, 72434985), (5, 57947988), (6, 48289990), (7, 41391420), (10, 28973994), (12, 24144995), (14, 20695710), (15, 19315996), (20, 14486997), (21, 13797140), (28, 10347855), (30, 9657998), (35, 8278284), (42, 6898570), (49, 5913060), (60, 4828999), (70, 4139142), (84, 3449285), (98, 2956530), (105, 2759428), (139, 2084460), (140, 2069571), (147, 1971020), (196, 1478265), (210, 1379714), (245, 1182612), (278, 1042230), (294, 985510), (417, 694820), (420, 689857), (490, 591306), (556, 521115), (588, 492755), (695, 416892), (709, 408660), (735, 394204), (834, 347410), (973, 297780), (980, 295653), (1390, 208446), (1418, 204330), (1470, 197102), (1668, 173705), (1946, 148890), (2085, 138964), (2127, 136220), (2780, 104223), (2836, 102165), (2919, 99260), (2940, 98551), (3545, 81732), (3892, 74445), (4170, 69482), (4254, 68110), (4865, 59556), (4963, 58380), (5838, 49630), (6811, 42540), (7090, 40866), (8340, 34741), (8508, 34055), (9730, 29778), (9926, 29190), (10635, 27244), (11676, 24815), (13622, 21270), (14180, 20433), (14595, 19852), (14889, 19460)]