2091425

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 3392640

約数和(自身を除く): 1301215

約数列:

[1, 5, 7, 17, 19, 25, 35, 37, 85, 95, 119, 133, 175, 185, 259, 323, 425, 475, 595, 629, 665, 703, 925, 1295, 1615, 2261, 2975, 3145, 3325, 3515, 4403, 4921, 6475, 8075, 11305, 11951, 15725, 17575, 22015, 24605, 56525, 59755, 83657, 110075, 123025, 298775, 418285, 2091425]

約数ペア:

[(1, 2091425), (5, 418285), (7, 298775), (17, 123025), (19, 110075), (25, 83657), (35, 59755), (37, 56525), (85, 24605), (95, 22015), (119, 17575), (133, 15725), (175, 11951), (185, 11305), (259, 8075), (323, 6475), (425, 4921), (475, 4403), (595, 3515), (629, 3325), (665, 3145), (703, 2975), (925, 2261), (1295, 1615)]