217179380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{13523}}^1$

素因数の和:13616

約数の個数: 48

約数和(自身を含む): 504391104

約数和(自身を除く): 287211724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 8030, 13523, 16060, 27046, 54092, 67615, 135230, 148753, 270460, 297506, 595012, 743765, 987179, 1487530, 1974358, 2975060, 3948716, 4935895, 9871790, 10858969, 19743580, 21717938, 43435876, 54294845, 108589690, 217179380]

約数ペア:

[(1, 217179380), (2, 108589690), (4, 54294845), (5, 43435876), (10, 21717938), (11, 19743580), (20, 10858969), (22, 9871790), (44, 4935895), (55, 3948716), (73, 2975060), (110, 1974358), (146, 1487530), (220, 987179), (292, 743765), (365, 595012), (730, 297506), (803, 270460), (1460, 148753), (1606, 135230), (3212, 67615), (4015, 54092), (8030, 27046), (13523, 16060)]