810980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 1862784

約数和(自身を除く): 1051804

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 43, 46, 82, 86, 92, 115, 164, 172, 205, 215, 230, 410, 430, 460, 820, 860, 943, 989, 1763, 1886, 1978, 3526, 3772, 3956, 4715, 4945, 7052, 8815, 9430, 9890, 17630, 18860, 19780, 35260, 40549, 81098, 162196, 202745, 405490, 810980]

約数ペア:

[(1, 810980), (2, 405490), (4, 202745), (5, 162196), (10, 81098), (20, 40549), (23, 35260), (41, 19780), (43, 18860), (46, 17630), (82, 9890), (86, 9430), (92, 8815), (115, 7052), (164, 4945), (172, 4715), (205, 3956), (215, 3772), (230, 3526), (410, 1978), (430, 1886), (460, 1763), (820, 989), (860, 943)]