22777540

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 49392000

約数和(自身を除く): 26614460

約数列:

[1, 2, 4, 5, 10, 20, 59, 97, 118, 194, 199, 236, 295, 388, 398, 485, 590, 796, 970, 995, 1180, 1940, 1990, 3980, 5723, 11446, 11741, 19303, 22892, 23482, 28615, 38606, 46964, 57230, 58705, 77212, 96515, 114460, 117410, 193030, 234820, 386060, 1138877, 2277754, 4555508, 5694385, 11388770, 22777540]

約数ペア:

[(1, 22777540), (2, 11388770), (4, 5694385), (5, 4555508), (10, 2277754), (20, 1138877), (59, 386060), (97, 234820), (118, 193030), (194, 117410), (199, 114460), (236, 96515), (295, 77212), (388, 58705), (398, 57230), (485, 46964), (590, 38606), (796, 28615), (970, 23482), (995, 22892), (1180, 19303), (1940, 11741), (1990, 11446), (3980, 5723)]