828590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 1846800

約数和(自身を除く): 1018210

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 89, 95, 98, 133, 178, 190, 245, 266, 445, 490, 623, 665, 890, 931, 1246, 1330, 1691, 1862, 3115, 3382, 4361, 4655, 6230, 8455, 8722, 9310, 11837, 16910, 21805, 23674, 43610, 59185, 82859, 118370, 165718, 414295, 828590]

約数ペア:

[(1, 828590), (2, 414295), (5, 165718), (7, 118370), (10, 82859), (14, 59185), (19, 43610), (35, 23674), (38, 21805), (49, 16910), (70, 11837), (89, 9310), (95, 8722), (98, 8455), (133, 6230), (178, 4655), (190, 4361), (245, 3382), (266, 3115), (445, 1862), (490, 1691), (623, 1330), (665, 1246), (890, 931)]