211915900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3121}}^1$

素因数の和:3239

約数の個数: 72

約数和(自身を含む): 531139616

約数和(自身を除く): 319223716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 97, 100, 140, 175, 194, 350, 388, 485, 679, 700, 970, 1358, 1940, 2425, 2716, 3121, 3395, 4850, 6242, 6790, 9700, 12484, 13580, 15605, 16975, 21847, 31210, 33950, 43694, 62420, 67900, 78025, 87388, 109235, 156050, 218470, 302737, 312100, 436940, 546175, 605474, 1092350, 1210948, 1513685, 2119159, 2184700, 3027370, 4238318, 6054740, 7568425, 8476636, 10595795, 15136850, 21191590, 30273700, 42383180, 52978975, 105957950, 211915900]

約数ペア:

[(1, 211915900), (2, 105957950), (4, 52978975), (5, 42383180), (7, 30273700), (10, 21191590), (14, 15136850), (20, 10595795), (25, 8476636), (28, 7568425), (35, 6054740), (50, 4238318), (70, 3027370), (97, 2184700), (100, 2119159), (140, 1513685), (175, 1210948), (194, 1092350), (350, 605474), (388, 546175), (485, 436940), (679, 312100), (700, 302737), (970, 218470), (1358, 156050), (1940, 109235), (2425, 87388), (2716, 78025), (3121, 67900), (3395, 62420), (4850, 43694), (6242, 33950), (6790, 31210), (9700, 21847), (12484, 16975), (13580, 15605)]