397731400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{521}}^1$

素因数の和:895

約数の個数: 96

約数和(自身を含む): 1013640480

約数和(自身を除く): 615909080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 347, 440, 521, 550, 694, 1042, 1100, 1388, 1735, 2084, 2200, 2605, 2776, 3470, 3817, 4168, 5210, 5731, 6940, 7634, 8675, 10420, 11462, 13025, 13880, 15268, 17350, 19085, 20840, 22924, 26050, 28655, 30536, 34700, 38170, 45848, 52100, 57310, 69400, 76340, 95425, 104200, 114620, 143275, 152680, 180787, 190850, 229240, 286550, 361574, 381700, 573100, 723148, 763400, 903935, 1146200, 1446296, 1807870, 1988657, 3615740, 3977314, 4519675, 7231480, 7954628, 9039350, 9943285, 15909256, 18078700, 19886570, 36157400, 39773140, 49716425, 79546280, 99432850, 198865700, 397731400]

約数ペア:

[(1, 397731400), (2, 198865700), (4, 99432850), (5, 79546280), (8, 49716425), (10, 39773140), (11, 36157400), (20, 19886570), (22, 18078700), (25, 15909256), (40, 9943285), (44, 9039350), (50, 7954628), (55, 7231480), (88, 4519675), (100, 3977314), (110, 3615740), (200, 1988657), (220, 1807870), (275, 1446296), (347, 1146200), (440, 903935), (521, 763400), (550, 723148), (694, 573100), (1042, 381700), (1100, 361574), (1388, 286550), (1735, 229240), (2084, 190850), (2200, 180787), (2605, 152680), (2776, 143275), (3470, 114620), (3817, 104200), (4168, 95425), (5210, 76340), (5731, 69400), (6940, 57310), (7634, 52100), (8675, 45848), (10420, 38170), (11462, 34700), (13025, 30536), (13880, 28655), (15268, 26050), (17350, 22924), (19085, 20840)]