73128220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19553}}^1$

素因数の和:19590

約数の個数: 48

約数和(自身を含む): 177393888

約数和(自身を除く): 104265668

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 19553, 39106, 78212, 97765, 195530, 215083, 332401, 391060, 430166, 664802, 860332, 1075415, 1329604, 1662005, 2150830, 3324010, 3656411, 4301660, 6648020, 7312822, 14625644, 18282055, 36564110, 73128220]

約数ペア:

[(1, 73128220), (2, 36564110), (4, 18282055), (5, 14625644), (10, 7312822), (11, 6648020), (17, 4301660), (20, 3656411), (22, 3324010), (34, 2150830), (44, 1662005), (55, 1329604), (68, 1075415), (85, 860332), (110, 664802), (170, 430166), (187, 391060), (220, 332401), (340, 215083), (374, 195530), (748, 97765), (935, 78212), (1870, 39106), (3740, 19553)]