27780280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3323}}^1$

素因数の和:3364

約数の個数: 64

約数和(自身を含む): 71798400

約数和(自身を除く): 44018120

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 3323, 4180, 6646, 8360, 13292, 16615, 26584, 33230, 36553, 63137, 66460, 73106, 126274, 132920, 146212, 182765, 252548, 292424, 315685, 365530, 505096, 631370, 694507, 731060, 1262740, 1389014, 1462120, 2525480, 2778028, 3472535, 5556056, 6945070, 13890140, 27780280]

約数ペア:

[(1, 27780280), (2, 13890140), (4, 6945070), (5, 5556056), (8, 3472535), (10, 2778028), (11, 2525480), (19, 1462120), (20, 1389014), (22, 1262740), (38, 731060), (40, 694507), (44, 631370), (55, 505096), (76, 365530), (88, 315685), (95, 292424), (110, 252548), (152, 182765), (190, 146212), (209, 132920), (220, 126274), (380, 73106), (418, 66460), (440, 63137), (760, 36553), (836, 33230), (1045, 26584), (1672, 16615), (2090, 13292), (3323, 8360), (4180, 6646)]