204920651870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{523}}^1\times {\mathrm{15973}}^1$

素因数の和:16737

約数の個数: 64

約数和(自身を含む): 404992272384

約数和(自身を除く): 200071620514

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 223, 446, 523, 1046, 1115, 2230, 2453, 2615, 4906, 5230, 5753, 11506, 12265, 15973, 24530, 28765, 31946, 57530, 79865, 116629, 159730, 175703, 233258, 351406, 583145, 878515, 1166290, 1282919, 1757030, 2565838, 3561979, 6414595, 7123958, 8353879, 12829190, 16707758, 17809895, 35619790, 39181769, 41769395, 78363538, 83538790, 91892669, 183785338, 195908845, 391817690, 459463345, 918926690, 1862915017, 3725830034, 9314575085, 18629150170, 20492065187, 40984130374, 102460325935, 204920651870]

約数ペア:

[(1, 204920651870), (2, 102460325935), (5, 40984130374), (10, 20492065187), (11, 18629150170), (22, 9314575085), (55, 3725830034), (110, 1862915017), (223, 918926690), (446, 459463345), (523, 391817690), (1046, 195908845), (1115, 183785338), (2230, 91892669), (2453, 83538790), (2615, 78363538), (4906, 41769395), (5230, 39181769), (5753, 35619790), (11506, 17809895), (12265, 16707758), (15973, 12829190), (24530, 8353879), (28765, 7123958), (31946, 6414595), (57530, 3561979), (79865, 2565838), (116629, 1757030), (159730, 1282919), (175703, 1166290), (233258, 878515), (351406, 583145)]