205978240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1354

約数の個数: 128

約数和(自身を含む): 558633600

約数和(自身を除く): 352655360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 640, 760, 832, 988, 1040, 1216, 1235, 1303, 1520, 1664, 1976, 2080, 2432, 2470, 2606, 3040, 3952, 4160, 4940, 5212, 6080, 6515, 7904, 8320, 9880, 10424, 12160, 13030, 15808, 16939, 19760, 20848, 24757, 26060, 31616, 33878, 39520, 41696, 49514, 52120, 67756, 79040, 83392, 84695, 99028, 104240, 123785, 135512, 158080, 166784, 169390, 198056, 208480, 247570, 271024, 321841, 338780, 396112, 416960, 495140, 542048, 643682, 677560, 792224, 833920, 990280, 1084096, 1287364, 1355120, 1584448, 1609205, 1980560, 2168192, 2574728, 2710240, 3168896, 3218410, 3961120, 5149456, 5420480, 6436820, 7922240, 10298912, 10840960, 12873640, 15844480, 20597824, 25747280, 41195648, 51494560, 102989120, 205978240]

約数ペア:

[(1, 205978240), (2, 102989120), (4, 51494560), (5, 41195648), (8, 25747280), (10, 20597824), (13, 15844480), (16, 12873640), (19, 10840960), (20, 10298912), (26, 7922240), (32, 6436820), (38, 5420480), (40, 5149456), (52, 3961120), (64, 3218410), (65, 3168896), (76, 2710240), (80, 2574728), (95, 2168192), (104, 1980560), (128, 1609205), (130, 1584448), (152, 1355120), (160, 1287364), (190, 1084096), (208, 990280), (247, 833920), (260, 792224), (304, 677560), (320, 643682), (380, 542048), (416, 495140), (494, 416960), (520, 396112), (608, 338780), (640, 321841), (760, 271024), (832, 247570), (988, 208480), (1040, 198056), (1216, 169390), (1235, 166784), (1303, 158080), (1520, 135512), (1664, 123785), (1976, 104240), (2080, 99028), (2432, 84695), (2470, 83392), (2606, 79040), (3040, 67756), (3952, 52120), (4160, 49514), (4940, 41696), (5212, 39520), (6080, 33878), (6515, 31616), (7904, 26060), (8320, 24757), (9880, 20848), (10424, 19760), (12160, 16939), (13030, 15808)]