100745680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{179903}}^1$

素因数の和:179923

約数の個数: 40

約数和(自身を含む): 267697152

約数和(自身を除く): 166951472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 179903, 359806, 719612, 899515, 1259321, 1439224, 1799030, 2518642, 2878448, 3598060, 5037284, 6296605, 7196120, 10074568, 12593210, 14392240, 20149136, 25186420, 50372840, 100745680]

約数ペア:

[(1, 100745680), (2, 50372840), (4, 25186420), (5, 20149136), (7, 14392240), (8, 12593210), (10, 10074568), (14, 7196120), (16, 6296605), (20, 5037284), (28, 3598060), (35, 2878448), (40, 2518642), (56, 1799030), (70, 1439224), (80, 1259321), (112, 899515), (140, 719612), (280, 359806), (560, 179903)]