19545367075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{613}}^1$

素因数の和:881

約数の個数: 96

約数和(自身を含む): 28779408000

約数和(自身を除く): 9234040925

約数列:

[1, 5, 13, 17, 25, 29, 65, 85, 145, 199, 221, 325, 377, 425, 493, 613, 725, 995, 1105, 1885, 2465, 2587, 3065, 3383, 4975, 5525, 5771, 6409, 7969, 9425, 10421, 12325, 12935, 15325, 16915, 17777, 28855, 32045, 39845, 43979, 52105, 64675, 75023, 84575, 88885, 98107, 121987, 135473, 144275, 160225, 199225, 219895, 231101, 260525, 302209, 375115, 444425, 490535, 609935, 677365, 1099475, 1155505, 1275391, 1511045, 1585831, 1875575, 2073779, 2452675, 3049675, 3386825, 3537623, 3928717, 5777525, 6376955, 7555225, 7929155, 10368895, 17688115, 19643585, 26959127, 31884775, 39645775, 45989099, 51844475, 60139591, 88440575, 98217925, 134795635, 229945495, 300697955, 673978175, 781814683, 1149727475, 1503489775, 3909073415, 19545367075]

約数ペア:

[(1, 19545367075), (5, 3909073415), (13, 1503489775), (17, 1149727475), (25, 781814683), (29, 673978175), (65, 300697955), (85, 229945495), (145, 134795635), (199, 98217925), (221, 88440575), (325, 60139591), (377, 51844475), (425, 45989099), (493, 39645775), (613, 31884775), (725, 26959127), (995, 19643585), (1105, 17688115), (1885, 10368895), (2465, 7929155), (2587, 7555225), (3065, 6376955), (3383, 5777525), (4975, 3928717), (5525, 3537623), (5771, 3386825), (6409, 3049675), (7969, 2452675), (9425, 2073779), (10421, 1875575), (12325, 1585831), (12935, 1511045), (15325, 1275391), (16915, 1155505), (17777, 1099475), (28855, 677365), (32045, 609935), (39845, 490535), (43979, 444425), (52105, 375115), (64675, 302209), (75023, 260525), (84575, 231101), (88885, 219895), (98107, 199225), (121987, 160225), (135473, 144275)]