208055260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47939}}^1$

素因数の和:47986

約数の個数: 48

約数和(自身を含む): 515450880

約数和(自身を除く): 307395620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 47939, 95878, 191756, 239695, 335573, 479390, 671146, 958780, 1342292, 1486109, 1677865, 2972218, 3355730, 5944436, 6711460, 7430545, 10402763, 14861090, 20805526, 29722180, 41611052, 52013815, 104027630, 208055260]

約数ペア:

[(1, 208055260), (2, 104027630), (4, 52013815), (5, 41611052), (7, 29722180), (10, 20805526), (14, 14861090), (20, 10402763), (28, 7430545), (31, 6711460), (35, 5944436), (62, 3355730), (70, 2972218), (124, 1677865), (140, 1486109), (155, 1342292), (217, 958780), (310, 671146), (434, 479390), (620, 335573), (868, 239695), (1085, 191756), (2170, 95878), (4340, 47939)]