210312100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{641}}^1$

素因数の和:865

約数の個数: 72

約数和(自身を含む): 486484488

約数和(自身を除く): 276172388

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 193, 340, 386, 425, 641, 772, 850, 965, 1282, 1700, 1930, 2564, 3205, 3281, 3860, 4825, 6410, 6562, 9650, 10897, 12820, 13124, 16025, 16405, 19300, 21794, 32050, 32810, 43588, 54485, 64100, 65620, 82025, 108970, 123713, 164050, 217940, 247426, 272425, 328100, 494852, 544850, 618565, 1089700, 1237130, 2103121, 2474260, 3092825, 4206242, 6185650, 8412484, 10515605, 12371300, 21031210, 42062420, 52578025, 105156050, 210312100]

約数ペア:

[(1, 210312100), (2, 105156050), (4, 52578025), (5, 42062420), (10, 21031210), (17, 12371300), (20, 10515605), (25, 8412484), (34, 6185650), (50, 4206242), (68, 3092825), (85, 2474260), (100, 2103121), (170, 1237130), (193, 1089700), (340, 618565), (386, 544850), (425, 494852), (641, 328100), (772, 272425), (850, 247426), (965, 217940), (1282, 164050), (1700, 123713), (1930, 108970), (2564, 82025), (3205, 65620), (3281, 64100), (3860, 54485), (4825, 43588), (6410, 32810), (6562, 32050), (9650, 21794), (10897, 19300), (12820, 16405), (13124, 16025)]