251395840

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10337}}^1$

素因数の和:10377

約数の個数: 72

約数和(自身を含む): 633926160

約数和(自身を除く): 382530320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 6080, 10337, 12160, 20674, 24320, 41348, 51685, 82696, 103370, 165392, 196403, 206740, 330784, 392806, 413480, 661568, 785612, 826960, 982015, 1323136, 1571224, 1653920, 1964030, 2646272, 3142448, 3307840, 3928060, 6284896, 6615680, 7856120, 12569792, 13231360, 15712240, 25139584, 31424480, 50279168, 62848960, 125697920, 251395840]

約数ペア:

[(1, 251395840), (2, 125697920), (4, 62848960), (5, 50279168), (8, 31424480), (10, 25139584), (16, 15712240), (19, 13231360), (20, 12569792), (32, 7856120), (38, 6615680), (40, 6284896), (64, 3928060), (76, 3307840), (80, 3142448), (95, 2646272), (128, 1964030), (152, 1653920), (160, 1571224), (190, 1323136), (256, 982015), (304, 826960), (320, 785612), (380, 661568), (608, 413480), (640, 392806), (760, 330784), (1216, 206740), (1280, 196403), (1520, 165392), (2432, 103370), (3040, 82696), (4864, 51685), (6080, 41348), (10337, 24320), (12160, 20674)]