221470480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:417

約数の個数: 160

約数和(自身を含む): 648887040

約数和(自身を除く): 427416560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 157, 176, 220, 229, 280, 308, 314, 385, 440, 458, 560, 616, 628, 770, 785, 880, 916, 1099, 1145, 1232, 1256, 1540, 1570, 1603, 1727, 1832, 2198, 2290, 2512, 2519, 3080, 3140, 3206, 3454, 3664, 4396, 4580, 5038, 5495, 6160, 6280, 6412, 6908, 8015, 8635, 8792, 9160, 10076, 10990, 12089, 12560, 12595, 12824, 13816, 16030, 17270, 17584, 17633, 18320, 20152, 21980, 24178, 25190, 25648, 27632, 32060, 34540, 35266, 35953, 40304, 43960, 48356, 50380, 60445, 64120, 69080, 70532, 71906, 87920, 88165, 96712, 100760, 120890, 128240, 138160, 141064, 143812, 176330, 179765, 193424, 201520, 241780, 251671, 282128, 287624, 352660, 359530, 395483, 483560, 503342, 575248, 705320, 719060, 790966, 967120, 1006684, 1258355, 1410640, 1438120, 1581932, 1977415, 2013368, 2516710, 2768381, 2876240, 3163864, 3954830, 4026736, 5033420, 5536762, 6327728, 7909660, 10066840, 11073524, 13841905, 15819320, 20133680, 22147048, 27683810, 31638640, 44294096, 55367620, 110735240, 221470480]

約数ペア:

[(1, 221470480), (2, 110735240), (4, 55367620), (5, 44294096), (7, 31638640), (8, 27683810), (10, 22147048), (11, 20133680), (14, 15819320), (16, 13841905), (20, 11073524), (22, 10066840), (28, 7909660), (35, 6327728), (40, 5536762), (44, 5033420), (55, 4026736), (56, 3954830), (70, 3163864), (77, 2876240), (80, 2768381), (88, 2516710), (110, 2013368), (112, 1977415), (140, 1581932), (154, 1438120), (157, 1410640), (176, 1258355), (220, 1006684), (229, 967120), (280, 790966), (308, 719060), (314, 705320), (385, 575248), (440, 503342), (458, 483560), (560, 395483), (616, 359530), (628, 352660), (770, 287624), (785, 282128), (880, 251671), (916, 241780), (1099, 201520), (1145, 193424), (1232, 179765), (1256, 176330), (1540, 143812), (1570, 141064), (1603, 138160), (1727, 128240), (1832, 120890), (2198, 100760), (2290, 96712), (2512, 88165), (2519, 87920), (3080, 71906), (3140, 70532), (3206, 69080), (3454, 64120), (3664, 60445), (4396, 50380), (4580, 48356), (5038, 43960), (5495, 40304), (6160, 35953), (6280, 35266), (6412, 34540), (6908, 32060), (8015, 27632), (8635, 25648), (8792, 25190), (9160, 24178), (10076, 21980), (10990, 20152), (12089, 18320), (12560, 17633), (12595, 17584), (12824, 17270), (13816, 16030)]