666219220975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{4691}}^1$

素因数の和:5102

約数の個数: 144

約数和(自身を含む): 1095707370240

約数和(自身を除く): 429488149265

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 95, 121, 133, 175, 209, 275, 353, 385, 475, 605, 665, 847, 1045, 1463, 1765, 1925, 2299, 2471, 3025, 3325, 3883, 4235, 4691, 5225, 6707, 7315, 8825, 11495, 12355, 16093, 19415, 21175, 23455, 27181, 32837, 33535, 36575, 42713, 46949, 51601, 57475, 61775, 73777, 80465, 89129, 97075, 117275, 135905, 164185, 167675, 213565, 234745, 258005, 298991, 361207, 368885, 402325, 445645, 516439, 567611, 623903, 679525, 811547, 820925, 980419, 1067825, 1173725, 1290025, 1494955, 1655923, 1806035, 1844425, 2228225, 2582195, 2838055, 3119515, 3973277, 4057735, 4902095, 5680829, 6862933, 7474775, 8279615, 9030175, 10784609, 11591461, 12910975, 14190275, 15597575, 18215153, 19866385, 20288675, 24510475, 28404145, 31462537, 34314665, 41398075, 53923045, 57957305, 75492263, 91075765, 99331925, 127506071, 142020725, 157312685, 171573325, 200366683, 220237759, 269615225, 289786525, 346087907, 377461315, 455378825, 637530355, 786563425, 1001833415, 1101188795, 1402566781, 1730439535, 1887306575, 2422615349, 3187651775, 3806966977, 5009167075, 5505943975, 7012833905, 8652197675, 12113076745, 19034834885, 26648768839, 35064169525, 60565383725, 95174174425, 133243844195, 666219220975]

約数ペア:

[(1, 666219220975), (5, 133243844195), (7, 95174174425), (11, 60565383725), (19, 35064169525), (25, 26648768839), (35, 19034834885), (55, 12113076745), (77, 8652197675), (95, 7012833905), (121, 5505943975), (133, 5009167075), (175, 3806966977), (209, 3187651775), (275, 2422615349), (353, 1887306575), (385, 1730439535), (475, 1402566781), (605, 1101188795), (665, 1001833415), (847, 786563425), (1045, 637530355), (1463, 455378825), (1765, 377461315), (1925, 346087907), (2299, 289786525), (2471, 269615225), (3025, 220237759), (3325, 200366683), (3883, 171573325), (4235, 157312685), (4691, 142020725), (5225, 127506071), (6707, 99331925), (7315, 91075765), (8825, 75492263), (11495, 57957305), (12355, 53923045), (16093, 41398075), (19415, 34314665), (21175, 31462537), (23455, 28404145), (27181, 24510475), (32837, 20288675), (33535, 19866385), (36575, 18215153), (42713, 15597575), (46949, 14190275), (51601, 12910975), (57475, 11591461), (61775, 10784609), (73777, 9030175), (80465, 8279615), (89129, 7474775), (97075, 6862933), (117275, 5680829), (135905, 4902095), (164185, 4057735), (167675, 3973277), (213565, 3119515), (234745, 2838055), (258005, 2582195), (298991, 2228225), (361207, 1844425), (368885, 1806035), (402325, 1655923), (445645, 1494955), (516439, 1290025), (567611, 1173725), (623903, 1067825), (679525, 980419), (811547, 820925)]