31695020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 80424960

約数和(自身を除く): 48729940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 67, 70, 109, 124, 134, 140, 155, 217, 218, 268, 310, 335, 434, 436, 469, 545, 620, 670, 763, 868, 938, 1085, 1090, 1340, 1526, 1876, 2077, 2170, 2180, 2345, 3052, 3379, 3815, 4154, 4340, 4690, 6758, 7303, 7630, 8308, 9380, 10385, 13516, 14539, 14606, 15260, 16895, 20770, 23653, 29078, 29212, 33790, 36515, 41540, 47306, 51121, 58156, 67580, 72695, 73030, 94612, 102242, 118265, 145390, 146060, 204484, 226393, 236530, 255605, 290780, 452786, 473060, 511210, 905572, 1022420, 1131965, 1584751, 2263930, 3169502, 4527860, 6339004, 7923755, 15847510, 31695020]

約数ペア:

[(1, 31695020), (2, 15847510), (4, 7923755), (5, 6339004), (7, 4527860), (10, 3169502), (14, 2263930), (20, 1584751), (28, 1131965), (31, 1022420), (35, 905572), (62, 511210), (67, 473060), (70, 452786), (109, 290780), (124, 255605), (134, 236530), (140, 226393), (155, 204484), (217, 146060), (218, 145390), (268, 118265), (310, 102242), (335, 94612), (434, 73030), (436, 72695), (469, 67580), (545, 58156), (620, 51121), (670, 47306), (763, 41540), (868, 36515), (938, 33790), (1085, 29212), (1090, 29078), (1340, 23653), (1526, 20770), (1876, 16895), (2077, 15260), (2170, 14606), (2180, 14539), (2345, 13516), (3052, 10385), (3379, 9380), (3815, 8308), (4154, 7630), (4340, 7303), (4690, 6758)]