169513850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3463}}^1$

素因数の和:3575

約数の個数: 48

約数和(自身を含む): 347924160

約数和(自身を除く): 178410310

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 89, 110, 178, 275, 445, 550, 890, 979, 1958, 2225, 3463, 4450, 4895, 6926, 9790, 17315, 24475, 34630, 38093, 48950, 76186, 86575, 173150, 190465, 308207, 380930, 616414, 952325, 1541035, 1904650, 3082070, 3390277, 6780554, 7705175, 15410350, 16951385, 33902770, 84756925, 169513850]

約数ペア:

[(1, 169513850), (2, 84756925), (5, 33902770), (10, 16951385), (11, 15410350), (22, 7705175), (25, 6780554), (50, 3390277), (55, 3082070), (89, 1904650), (110, 1541035), (178, 952325), (275, 616414), (445, 380930), (550, 308207), (890, 190465), (979, 173150), (1958, 86575), (2225, 76186), (3463, 48950), (4450, 38093), (4895, 34630), (6926, 24475), (9790, 17315)]