66880100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{13649}}^1$

素因数の和:13677

約数の個数: 54

約数和(自身を含む): 168836850

約数和(自身を除く): 101956750

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 13649, 27298, 54596, 68245, 95543, 136490, 191086, 272980, 341225, 382172, 477715, 668801, 682450, 955430, 1337602, 1364900, 1910860, 2388575, 2675204, 3344005, 4777150, 6688010, 9554300, 13376020, 16720025, 33440050, 66880100]

約数ペア:

[(1, 66880100), (2, 33440050), (4, 16720025), (5, 13376020), (7, 9554300), (10, 6688010), (14, 4777150), (20, 3344005), (25, 2675204), (28, 2388575), (35, 1910860), (49, 1364900), (50, 1337602), (70, 955430), (98, 682450), (100, 668801), (140, 477715), (175, 382172), (196, 341225), (245, 272980), (350, 191086), (490, 136490), (700, 95543), (980, 68245), (1225, 54596), (2450, 27298), (4900, 13649)]