17490850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 35622720

約数和(自身を除く): 18131870

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 71, 130, 142, 325, 355, 379, 650, 710, 758, 923, 1775, 1846, 1895, 3550, 3790, 4615, 4927, 9230, 9475, 9854, 18950, 23075, 24635, 26909, 46150, 49270, 53818, 123175, 134545, 246350, 269090, 349817, 672725, 699634, 1345450, 1749085, 3498170, 8745425, 17490850]

約数ペア:

[(1, 17490850), (2, 8745425), (5, 3498170), (10, 1749085), (13, 1345450), (25, 699634), (26, 672725), (50, 349817), (65, 269090), (71, 246350), (130, 134545), (142, 123175), (325, 53818), (355, 49270), (379, 46150), (650, 26909), (710, 24635), (758, 23075), (923, 18950), (1775, 9854), (1846, 9475), (1895, 9230), (3550, 4927), (3790, 4615)]