28990180400

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{3607}}^1$

素因数の和:3979

約数の個数: 120

約数和(自身を含む): 70899105024

約数和(自身を除く): 41908924624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 283, 284, 355, 400, 566, 568, 710, 1132, 1136, 1415, 1420, 1775, 2264, 2830, 2840, 3550, 3607, 4528, 5660, 5680, 7075, 7100, 7214, 11320, 14150, 14200, 14428, 18035, 20093, 22640, 28300, 28400, 28856, 36070, 40186, 56600, 57712, 72140, 80372, 90175, 100465, 113200, 144280, 160744, 180350, 200930, 256097, 288560, 321488, 360700, 401860, 502325, 512194, 721400, 803720, 1004650, 1020781, 1024388, 1280485, 1442800, 1607440, 2009300, 2041562, 2048776, 2560970, 4018600, 4083124, 4097552, 5103905, 5121940, 6402425, 8037200, 8166248, 10207810, 10243880, 12804850, 16332496, 20415620, 20487760, 25519525, 25609700, 40831240, 51039050, 51219400, 72475451, 81662480, 102078100, 102438800, 144950902, 204156200, 289901804, 362377255, 408312400, 579803608, 724754510, 1159607216, 1449509020, 1811886275, 2899018040, 3623772550, 5798036080, 7247545100, 14495090200, 28990180400]

約数ペア:

[(1, 28990180400), (2, 14495090200), (4, 7247545100), (5, 5798036080), (8, 3623772550), (10, 2899018040), (16, 1811886275), (20, 1449509020), (25, 1159607216), (40, 724754510), (50, 579803608), (71, 408312400), (80, 362377255), (100, 289901804), (142, 204156200), (200, 144950902), (283, 102438800), (284, 102078100), (355, 81662480), (400, 72475451), (566, 51219400), (568, 51039050), (710, 40831240), (1132, 25609700), (1136, 25519525), (1415, 20487760), (1420, 20415620), (1775, 16332496), (2264, 12804850), (2830, 10243880), (2840, 10207810), (3550, 8166248), (3607, 8037200), (4528, 6402425), (5660, 5121940), (5680, 5103905), (7075, 4097552), (7100, 4083124), (7214, 4018600), (11320, 2560970), (14150, 2048776), (14200, 2041562), (14428, 2009300), (18035, 1607440), (20093, 1442800), (22640, 1280485), (28300, 1024388), (28400, 1020781), (28856, 1004650), (36070, 803720), (40186, 721400), (56600, 512194), (57712, 502325), (72140, 401860), (80372, 360700), (90175, 321488), (100465, 288560), (113200, 256097), (144280, 200930), (160744, 180350)]