30468890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 56246400

約数和(自身を除く): 25777510

約数列:

[1, 2, 5, 10, 61, 122, 199, 251, 305, 398, 502, 610, 995, 1255, 1990, 2510, 12139, 15311, 24278, 30622, 49949, 60695, 76555, 99898, 121390, 153110, 249745, 499490, 3046889, 6093778, 15234445, 30468890]

約数ペア:

[(1, 30468890), (2, 15234445), (5, 6093778), (10, 3046889), (61, 499490), (122, 249745), (199, 153110), (251, 121390), (305, 99898), (398, 76555), (502, 60695), (610, 49949), (995, 30622), (1255, 24278), (1990, 15311), (2510, 12139)]