209324960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:826

約数の個数: 96

約数和(自身を含む): 536799312

約数和(自身を除く): 327474352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 157, 160, 208, 260, 314, 416, 520, 628, 641, 785, 1040, 1256, 1282, 1570, 2041, 2080, 2512, 2564, 3140, 3205, 4082, 5024, 5128, 6280, 6410, 8164, 8333, 10205, 10256, 12560, 12820, 16328, 16666, 20410, 20512, 25120, 25640, 32656, 33332, 40820, 41665, 51280, 65312, 66664, 81640, 83330, 100637, 102560, 133328, 163280, 166660, 201274, 266656, 326560, 333320, 402548, 503185, 666640, 805096, 1006370, 1308281, 1333280, 1610192, 2012740, 2616562, 3220384, 4025480, 5233124, 6541405, 8050960, 10466248, 13082810, 16101920, 20932496, 26165620, 41864992, 52331240, 104662480, 209324960]

約数ペア:

[(1, 209324960), (2, 104662480), (4, 52331240), (5, 41864992), (8, 26165620), (10, 20932496), (13, 16101920), (16, 13082810), (20, 10466248), (26, 8050960), (32, 6541405), (40, 5233124), (52, 4025480), (65, 3220384), (80, 2616562), (104, 2012740), (130, 1610192), (157, 1333280), (160, 1308281), (208, 1006370), (260, 805096), (314, 666640), (416, 503185), (520, 402548), (628, 333320), (641, 326560), (785, 266656), (1040, 201274), (1256, 166660), (1282, 163280), (1570, 133328), (2041, 102560), (2080, 100637), (2512, 83330), (2564, 81640), (3140, 66664), (3205, 65312), (4082, 51280), (5024, 41665), (5128, 40820), (6280, 33332), (6410, 32656), (8164, 25640), (8333, 25120), (10205, 20512), (10256, 20410), (12560, 16666), (12820, 16328)]