209001520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1511}}^1$

素因数の和:1563

約数の個数: 160

約数和(自身を含む): 629959680

約数和(自身を除く): 420958160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 182, 190, 208, 247, 260, 266, 280, 304, 364, 380, 455, 494, 520, 532, 560, 665, 728, 760, 910, 988, 1040, 1064, 1235, 1330, 1456, 1511, 1520, 1729, 1820, 1976, 2128, 2470, 2660, 3022, 3458, 3640, 3952, 4940, 5320, 6044, 6916, 7280, 7555, 8645, 9880, 10577, 10640, 12088, 13832, 15110, 17290, 19643, 19760, 21154, 24176, 27664, 28709, 30220, 34580, 39286, 42308, 52885, 57418, 60440, 69160, 78572, 84616, 98215, 105770, 114836, 120880, 137501, 138320, 143545, 157144, 169232, 196430, 200963, 211540, 229672, 275002, 287090, 314288, 373217, 392860, 401926, 423080, 459344, 550004, 574180, 687505, 746434, 785720, 803852, 846160, 1004815, 1100008, 1148360, 1375010, 1492868, 1571440, 1607704, 1866085, 2009630, 2200016, 2296720, 2612519, 2750020, 2985736, 3215408, 3732170, 4019260, 5225038, 5500040, 5971472, 7464340, 8038520, 10450076, 11000080, 13062595, 14928680, 16077040, 20900152, 26125190, 29857360, 41800304, 52250380, 104500760, 209001520]

約数ペア:

[(1, 209001520), (2, 104500760), (4, 52250380), (5, 41800304), (7, 29857360), (8, 26125190), (10, 20900152), (13, 16077040), (14, 14928680), (16, 13062595), (19, 11000080), (20, 10450076), (26, 8038520), (28, 7464340), (35, 5971472), (38, 5500040), (40, 5225038), (52, 4019260), (56, 3732170), (65, 3215408), (70, 2985736), (76, 2750020), (80, 2612519), (91, 2296720), (95, 2200016), (104, 2009630), (112, 1866085), (130, 1607704), (133, 1571440), (140, 1492868), (152, 1375010), (182, 1148360), (190, 1100008), (208, 1004815), (247, 846160), (260, 803852), (266, 785720), (280, 746434), (304, 687505), (364, 574180), (380, 550004), (455, 459344), (494, 423080), (520, 401926), (532, 392860), (560, 373217), (665, 314288), (728, 287090), (760, 275002), (910, 229672), (988, 211540), (1040, 200963), (1064, 196430), (1235, 169232), (1330, 157144), (1456, 143545), (1511, 138320), (1520, 137501), (1729, 120880), (1820, 114836), (1976, 105770), (2128, 98215), (2470, 84616), (2660, 78572), (3022, 69160), (3458, 60440), (3640, 57418), (3952, 52885), (4940, 42308), (5320, 39286), (6044, 34580), (6916, 30220), (7280, 28709), (7555, 27664), (8645, 24176), (9880, 21154), (10577, 19760), (10640, 19643), (12088, 17290), (13832, 15110)]