2019909320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1951}}^1$

素因数の和:2167

約数の個数: 128

約数和(自身を含む): 5371591680

約数和(自身を除く): 3351682360

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 181, 220, 260, 286, 362, 440, 520, 572, 715, 724, 905, 1144, 1430, 1448, 1810, 1951, 1991, 2353, 2860, 3620, 3902, 3982, 4706, 5720, 7240, 7804, 7964, 9412, 9755, 9955, 11765, 15608, 15928, 18824, 19510, 19910, 21461, 23530, 25363, 25883, 39020, 39820, 42922, 47060, 50726, 51766, 78040, 79640, 85844, 94120, 101452, 103532, 107305, 126815, 129415, 171688, 202904, 207064, 214610, 253630, 258830, 278993, 353131, 429220, 507260, 517660, 557986, 706262, 858440, 1014520, 1035320, 1115972, 1394965, 1412524, 1765655, 2231944, 2789930, 2825048, 3531310, 3884441, 4590703, 5579860, 7062620, 7768882, 9181406, 11159720, 14125240, 15537764, 18362812, 19422205, 22953515, 31075528, 36725624, 38844410, 45907030, 50497733, 77688820, 91814060, 100995466, 155377640, 183628120, 201990932, 252488665, 403981864, 504977330, 1009954660, 2019909320]

約数ペア:

[(1, 2019909320), (2, 1009954660), (4, 504977330), (5, 403981864), (8, 252488665), (10, 201990932), (11, 183628120), (13, 155377640), (20, 100995466), (22, 91814060), (26, 77688820), (40, 50497733), (44, 45907030), (52, 38844410), (55, 36725624), (65, 31075528), (88, 22953515), (104, 19422205), (110, 18362812), (130, 15537764), (143, 14125240), (181, 11159720), (220, 9181406), (260, 7768882), (286, 7062620), (362, 5579860), (440, 4590703), (520, 3884441), (572, 3531310), (715, 2825048), (724, 2789930), (905, 2231944), (1144, 1765655), (1430, 1412524), (1448, 1394965), (1810, 1115972), (1951, 1035320), (1991, 1014520), (2353, 858440), (2860, 706262), (3620, 557986), (3902, 517660), (3982, 507260), (4706, 429220), (5720, 353131), (7240, 278993), (7804, 258830), (7964, 253630), (9412, 214610), (9755, 207064), (9955, 202904), (11765, 171688), (15608, 129415), (15928, 126815), (18824, 107305), (19510, 103532), (19910, 101452), (21461, 94120), (23530, 85844), (25363, 79640), (25883, 78040), (39020, 51766), (39820, 50726), (42922, 47060)]