31682420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2939}}^1$

素因数の和:2973

約数の個数: 72

約数和(自身を含む): 84460320

約数和(自身を除く): 52777900

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 2939, 5390, 5878, 10780, 11756, 14695, 20573, 29390, 32329, 41146, 58780, 64658, 82292, 102865, 129316, 144011, 161645, 205730, 226303, 288022, 323290, 411460, 452606, 576044, 646580, 720055, 905212, 1131515, 1440110, 1584121, 2263030, 2880220, 3168242, 4526060, 6336484, 7920605, 15841210, 31682420]

約数ペア:

[(1, 31682420), (2, 15841210), (4, 7920605), (5, 6336484), (7, 4526060), (10, 3168242), (11, 2880220), (14, 2263030), (20, 1584121), (22, 1440110), (28, 1131515), (35, 905212), (44, 720055), (49, 646580), (55, 576044), (70, 452606), (77, 411460), (98, 323290), (110, 288022), (140, 226303), (154, 205730), (196, 161645), (220, 144011), (245, 129316), (308, 102865), (385, 82292), (490, 64658), (539, 58780), (770, 41146), (980, 32329), (1078, 29390), (1540, 20573), (2156, 14695), (2695, 11756), (2939, 10780), (5390, 5878)]