210989212

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{2357}}^1$

素因数の和:2530

約数の個数: 48

約数和(自身を含む): 443681280

約数和(自身を除く): 232692068

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 139, 161, 278, 322, 556, 644, 973, 1946, 2357, 3197, 3892, 4714, 6394, 9428, 12788, 16499, 22379, 32998, 44758, 54211, 65996, 89516, 108422, 216844, 327623, 379477, 655246, 758954, 1310492, 1517908, 2293361, 4586722, 7535329, 9173444, 15070658, 30141316, 52747303, 105494606, 210989212]

約数ペア:

[(1, 210989212), (2, 105494606), (4, 52747303), (7, 30141316), (14, 15070658), (23, 9173444), (28, 7535329), (46, 4586722), (92, 2293361), (139, 1517908), (161, 1310492), (278, 758954), (322, 655246), (556, 379477), (644, 327623), (973, 216844), (1946, 108422), (2357, 89516), (3197, 65996), (3892, 54211), (4714, 44758), (6394, 32998), (9428, 22379), (12788, 16499)]