11908420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 26123328

約数和(自身を除く): 14214908

約数列:

[1, 2, 4, 5, 10, 20, 43, 61, 86, 122, 172, 215, 227, 244, 305, 430, 454, 610, 860, 908, 1135, 1220, 2270, 2623, 4540, 5246, 9761, 10492, 13115, 13847, 19522, 26230, 27694, 39044, 48805, 52460, 55388, 69235, 97610, 138470, 195220, 276940, 595421, 1190842, 2381684, 2977105, 5954210, 11908420]

約数ペア:

[(1, 11908420), (2, 5954210), (4, 2977105), (5, 2381684), (10, 1190842), (20, 595421), (43, 276940), (61, 195220), (86, 138470), (122, 97610), (172, 69235), (215, 55388), (227, 52460), (244, 48805), (305, 39044), (430, 27694), (454, 26230), (610, 19522), (860, 13847), (908, 13115), (1135, 10492), (1220, 9761), (2270, 5246), (2623, 4540)]