228542020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{1307}}^1$

素因数の和:2572

約数の個数: 48

約数和(自身を含む): 549360000

約数和(自身を除く): 320817980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1249, 1307, 2498, 2614, 4996, 5228, 6245, 6535, 8743, 9149, 12490, 13070, 17486, 18298, 24980, 26140, 34972, 36596, 43715, 45745, 87430, 91490, 174860, 182980, 1632443, 3264886, 6529772, 8162215, 11427101, 16324430, 22854202, 32648860, 45708404, 57135505, 114271010, 228542020]

約数ペア:

[(1, 228542020), (2, 114271010), (4, 57135505), (5, 45708404), (7, 32648860), (10, 22854202), (14, 16324430), (20, 11427101), (28, 8162215), (35, 6529772), (70, 3264886), (140, 1632443), (1249, 182980), (1307, 174860), (2498, 91490), (2614, 87430), (4996, 45745), (5228, 43715), (6245, 36596), (6535, 34972), (8743, 26140), (9149, 24980), (12490, 18298), (13070, 17486)]