20188835800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{1031}}^1$

素因数の和:1322

約数の個数: 192

約数和(自身を含む): 54729354240

約数和(自身を除く): 34540518440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 71, 100, 140, 142, 175, 197, 200, 280, 284, 350, 355, 394, 497, 568, 700, 710, 788, 985, 994, 1031, 1379, 1400, 1420, 1576, 1775, 1970, 1988, 2062, 2485, 2758, 2840, 3550, 3940, 3976, 4124, 4925, 4970, 5155, 5516, 6895, 7100, 7217, 7880, 8248, 9850, 9940, 10310, 11032, 12425, 13790, 13987, 14200, 14434, 19700, 19880, 20620, 24850, 25775, 27580, 27974, 28868, 34475, 36085, 39400, 41240, 49700, 51550, 55160, 55948, 57736, 68950, 69935, 72170, 73201, 97909, 99400, 103100, 111896, 137900, 139870, 144340, 146402, 180425, 195818, 203107, 206200, 275800, 279740, 288680, 292804, 349675, 360850, 366005, 391636, 406214, 489545, 512407, 559480, 585608, 699350, 721700, 732010, 783272, 812428, 979090, 1015535, 1024814, 1398700, 1421749, 1443400, 1464020, 1624856, 1830025, 1958180, 2031070, 2049628, 2447725, 2562035, 2797400, 2843498, 2928040, 3660050, 3916360, 4062140, 4099256, 4895450, 5077675, 5124070, 5686996, 7108745, 7320100, 8124280, 9790900, 10155350, 10248140, 11373992, 12810175, 14217490, 14420597, 14640200, 19581800, 20310700, 20496280, 25620350, 28434980, 28841194, 35543725, 40621400, 51240700, 56869960, 57682388, 71087450, 72102985, 100944179, 102481400, 115364776, 142174900, 144205970, 201888358, 284349800, 288411940, 360514925, 403776716, 504720895, 576823880, 721029850, 807553432, 1009441790, 1442059700, 2018883580, 2523604475, 2884119400, 4037767160, 5047208950, 10094417900, 20188835800]

約数ペア:

[(1, 20188835800), (2, 10094417900), (4, 5047208950), (5, 4037767160), (7, 2884119400), (8, 2523604475), (10, 2018883580), (14, 1442059700), (20, 1009441790), (25, 807553432), (28, 721029850), (35, 576823880), (40, 504720895), (50, 403776716), (56, 360514925), (70, 288411940), (71, 284349800), (100, 201888358), (140, 144205970), (142, 142174900), (175, 115364776), (197, 102481400), (200, 100944179), (280, 72102985), (284, 71087450), (350, 57682388), (355, 56869960), (394, 51240700), (497, 40621400), (568, 35543725), (700, 28841194), (710, 28434980), (788, 25620350), (985, 20496280), (994, 20310700), (1031, 19581800), (1379, 14640200), (1400, 14420597), (1420, 14217490), (1576, 12810175), (1775, 11373992), (1970, 10248140), (1988, 10155350), (2062, 9790900), (2485, 8124280), (2758, 7320100), (2840, 7108745), (3550, 5686996), (3940, 5124070), (3976, 5077675), (4124, 4895450), (4925, 4099256), (4970, 4062140), (5155, 3916360), (5516, 3660050), (6895, 2928040), (7100, 2843498), (7217, 2797400), (7880, 2562035), (8248, 2447725), (9850, 2049628), (9940, 2031070), (10310, 1958180), (11032, 1830025), (12425, 1624856), (13790, 1464020), (13987, 1443400), (14200, 1421749), (14434, 1398700), (19700, 1024814), (19880, 1015535), (20620, 979090), (24850, 812428), (25775, 783272), (27580, 732010), (27974, 721700), (28868, 699350), (34475, 585608), (36085, 559480), (39400, 512407), (41240, 489545), (49700, 406214), (51550, 391636), (55160, 366005), (55948, 360850), (57736, 349675), (68950, 292804), (69935, 288680), (72170, 279740), (73201, 275800), (97909, 206200), (99400, 203107), (103100, 195818), (111896, 180425), (137900, 146402), (139870, 144340)]