31198060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1031}}^1$

素因数の和:1146

約数の個数: 48

約数和(自身を含む): 70217280

約数和(自身を除く): 39019220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1031, 1513, 1780, 2062, 3026, 4124, 5155, 6052, 7565, 10310, 15130, 17527, 20620, 30260, 35054, 70108, 87635, 91759, 175270, 183518, 350540, 367036, 458795, 917590, 1559903, 1835180, 3119806, 6239612, 7799515, 15599030, 31198060]

約数ペア:

[(1, 31198060), (2, 15599030), (4, 7799515), (5, 6239612), (10, 3119806), (17, 1835180), (20, 1559903), (34, 917590), (68, 458795), (85, 367036), (89, 350540), (170, 183518), (178, 175270), (340, 91759), (356, 87635), (445, 70108), (890, 35054), (1031, 30260), (1513, 20620), (1780, 17527), (2062, 15130), (3026, 10310), (4124, 7565), (5155, 6052)]