209122480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:291

約数の個数: 160

約数和(自身を含む): 585676800

約数和(自身を除く): 376554320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 79, 80, 112, 116, 140, 145, 158, 163, 203, 232, 280, 290, 316, 326, 395, 406, 464, 553, 560, 580, 632, 652, 790, 812, 815, 1015, 1106, 1141, 1160, 1264, 1304, 1580, 1624, 1630, 2030, 2212, 2282, 2291, 2320, 2608, 2765, 3160, 3248, 3260, 4060, 4424, 4564, 4582, 4727, 5530, 5705, 6320, 6520, 8120, 8848, 9128, 9164, 9454, 11060, 11410, 11455, 12877, 13040, 16037, 16240, 18256, 18328, 18908, 22120, 22820, 22910, 23635, 25754, 32074, 33089, 36656, 37816, 44240, 45640, 45820, 47270, 51508, 64148, 64385, 66178, 75632, 80185, 90139, 91280, 91640, 94540, 103016, 128296, 128770, 132356, 160370, 165445, 180278, 183280, 189080, 206032, 256592, 257540, 264712, 320740, 330890, 360556, 373433, 378160, 450695, 515080, 529424, 641480, 661780, 721112, 746866, 901390, 1030160, 1282960, 1323560, 1442224, 1493732, 1802780, 1867165, 2614031, 2647120, 2987464, 3605560, 3734330, 5228062, 5974928, 7211120, 7468660, 10456124, 13070155, 14937320, 20912248, 26140310, 29874640, 41824496, 52280620, 104561240, 209122480]

約数ペア:

[(1, 209122480), (2, 104561240), (4, 52280620), (5, 41824496), (7, 29874640), (8, 26140310), (10, 20912248), (14, 14937320), (16, 13070155), (20, 10456124), (28, 7468660), (29, 7211120), (35, 5974928), (40, 5228062), (56, 3734330), (58, 3605560), (70, 2987464), (79, 2647120), (80, 2614031), (112, 1867165), (116, 1802780), (140, 1493732), (145, 1442224), (158, 1323560), (163, 1282960), (203, 1030160), (232, 901390), (280, 746866), (290, 721112), (316, 661780), (326, 641480), (395, 529424), (406, 515080), (464, 450695), (553, 378160), (560, 373433), (580, 360556), (632, 330890), (652, 320740), (790, 264712), (812, 257540), (815, 256592), (1015, 206032), (1106, 189080), (1141, 183280), (1160, 180278), (1264, 165445), (1304, 160370), (1580, 132356), (1624, 128770), (1630, 128296), (2030, 103016), (2212, 94540), (2282, 91640), (2291, 91280), (2320, 90139), (2608, 80185), (2765, 75632), (3160, 66178), (3248, 64385), (3260, 64148), (4060, 51508), (4424, 47270), (4564, 45820), (4582, 45640), (4727, 44240), (5530, 37816), (5705, 36656), (6320, 33089), (6520, 32074), (8120, 25754), (8848, 23635), (9128, 22910), (9164, 22820), (9454, 22120), (11060, 18908), (11410, 18328), (11455, 18256), (12877, 16240), (13040, 16037)]