28092925

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 45800640

約数和(自身を除く): 17707715

約数列:

[1, 5, 7, 17, 19, 25, 35, 49, 71, 85, 95, 119, 133, 175, 245, 323, 355, 425, 475, 497, 595, 665, 833, 931, 1207, 1225, 1349, 1615, 1775, 2261, 2485, 2975, 3325, 3479, 4165, 4655, 6035, 6745, 8075, 8449, 9443, 11305, 12425, 15827, 17395, 20825, 22933, 23275, 30175, 33725, 42245, 47215, 56525, 59143, 66101, 79135, 86975, 114665, 160531, 211225, 236075, 295715, 330505, 395675, 573325, 802655, 1123717, 1478575, 1652525, 4013275, 5618585, 28092925]

約数ペア:

[(1, 28092925), (5, 5618585), (7, 4013275), (17, 1652525), (19, 1478575), (25, 1123717), (35, 802655), (49, 573325), (71, 395675), (85, 330505), (95, 295715), (119, 236075), (133, 211225), (175, 160531), (245, 114665), (323, 86975), (355, 79135), (425, 66101), (475, 59143), (497, 56525), (595, 47215), (665, 42245), (833, 33725), (931, 30175), (1207, 23275), (1225, 22933), (1349, 20825), (1615, 17395), (1775, 15827), (2261, 12425), (2485, 11305), (2975, 9443), (3325, 8449), (3479, 8075), (4165, 6745), (4655, 6035)]