203940880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17827}}^1$

素因数の和:17864

約数の個数: 80

約数和(自身を含む): 557089344

約数和(自身を除く): 353148464

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 17827, 35654, 71308, 89135, 142616, 178270, 196097, 231751, 285232, 356540, 392194, 463502, 713080, 784388, 927004, 980485, 1158755, 1426160, 1568776, 1854008, 1960970, 2317510, 2549261, 3137552, 3708016, 3921940, 4635020, 5098522, 7843880, 9270040, 10197044, 12746305, 15687760, 18540080, 20394088, 25492610, 40788176, 50985220, 101970440, 203940880]

約数ペア:

[(1, 203940880), (2, 101970440), (4, 50985220), (5, 40788176), (8, 25492610), (10, 20394088), (11, 18540080), (13, 15687760), (16, 12746305), (20, 10197044), (22, 9270040), (26, 7843880), (40, 5098522), (44, 4635020), (52, 3921940), (55, 3708016), (65, 3137552), (80, 2549261), (88, 2317510), (104, 1960970), (110, 1854008), (130, 1568776), (143, 1426160), (176, 1158755), (208, 980485), (220, 927004), (260, 784388), (286, 713080), (440, 463502), (520, 392194), (572, 356540), (715, 285232), (880, 231751), (1040, 196097), (1144, 178270), (1430, 142616), (2288, 89135), (2860, 71308), (5720, 35654), (11440, 17827)]