217419460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{27803}}^1$

素因数の和:27852

約数の個数: 48

約数和(自身を含む): 504475776

約数和(自身を除く): 287056316

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 27803, 55606, 111212, 139015, 278030, 472651, 556060, 639469, 945302, 1278938, 1890604, 2363255, 2557876, 3197345, 4726510, 6394690, 9453020, 10870973, 12789380, 21741946, 43483892, 54354865, 108709730, 217419460]

約数ペア:

[(1, 217419460), (2, 108709730), (4, 54354865), (5, 43483892), (10, 21741946), (17, 12789380), (20, 10870973), (23, 9453020), (34, 6394690), (46, 4726510), (68, 3197345), (85, 2557876), (92, 2363255), (115, 1890604), (170, 1278938), (230, 945302), (340, 639469), (391, 556060), (460, 472651), (782, 278030), (1564, 139015), (1955, 111212), (3910, 55606), (7820, 27803)]