264398225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 437305344

約数和(自身を除く): 172907119

約数列:

[1, 5, 7, 13, 23, 25, 31, 35, 65, 91, 115, 155, 161, 163, 175, 217, 299, 325, 403, 455, 575, 713, 775, 805, 815, 1085, 1141, 1495, 2015, 2093, 2119, 2275, 2821, 3565, 3749, 4025, 4075, 4991, 5053, 5425, 5705, 7475, 9269, 10075, 10465, 10595, 14105, 14833, 17825, 18745, 24955, 25265, 26243, 28525, 35371, 46345, 48737, 52325, 52975, 64883, 65689, 70525, 74165, 93725, 116219, 124775, 126325, 131215, 176855, 231725, 243685, 324415, 328445, 341159, 370825, 459823, 581095, 656075, 813533, 884275, 1218425, 1510847, 1622075, 1642225, 1705795, 2299115, 2905475, 4067665, 7554235, 8528975, 10575929, 11495575, 20338325, 37771175, 52879645, 264398225]

約数ペア:

[(1, 264398225), (5, 52879645), (7, 37771175), (13, 20338325), (23, 11495575), (25, 10575929), (31, 8528975), (35, 7554235), (65, 4067665), (91, 2905475), (115, 2299115), (155, 1705795), (161, 1642225), (163, 1622075), (175, 1510847), (217, 1218425), (299, 884275), (325, 813533), (403, 656075), (455, 581095), (575, 459823), (713, 370825), (775, 341159), (805, 328445), (815, 324415), (1085, 243685), (1141, 231725), (1495, 176855), (2015, 131215), (2093, 126325), (2119, 124775), (2275, 116219), (2821, 93725), (3565, 74165), (3749, 70525), (4025, 65689), (4075, 64883), (4991, 52975), (5053, 52325), (5425, 48737), (5705, 46345), (7475, 35371), (9269, 28525), (10075, 26243), (10465, 25265), (10595, 24955), (14105, 18745), (14833, 17825)]