187834840

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{64327}}^1$

素因数の和:64411

約数の個数: 32

約数和(自身を含む): 428424480

約数和(自身を除く): 240589640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 64327, 128654, 257308, 321635, 514616, 643270, 1286540, 2573080, 4695871, 9391742, 18783484, 23479355, 37566968, 46958710, 93917420, 187834840]

約数ペア:

[(1, 187834840), (2, 93917420), (4, 46958710), (5, 37566968), (8, 23479355), (10, 18783484), (20, 9391742), (40, 4695871), (73, 2573080), (146, 1286540), (292, 643270), (365, 514616), (584, 321635), (730, 257308), (1460, 128654), (2920, 64327)]