30186460

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 65308320

約数和(自身を除く): 35121860

約数列:

[1, 2, 4, 5, 10, 20, 61, 109, 122, 218, 227, 244, 305, 436, 454, 545, 610, 908, 1090, 1135, 1220, 2180, 2270, 4540, 6649, 13298, 13847, 24743, 26596, 27694, 33245, 49486, 55388, 66490, 69235, 98972, 123715, 132980, 138470, 247430, 276940, 494860, 1509323, 3018646, 6037292, 7546615, 15093230, 30186460]

約数ペア:

[(1, 30186460), (2, 15093230), (4, 7546615), (5, 6037292), (10, 3018646), (20, 1509323), (61, 494860), (109, 276940), (122, 247430), (218, 138470), (227, 132980), (244, 123715), (305, 98972), (436, 69235), (454, 66490), (545, 55388), (610, 49486), (908, 33245), (1090, 27694), (1135, 26596), (1220, 24743), (2180, 13847), (2270, 13298), (4540, 6649)]