2019901275

素因数分解:

$3^2\times 5^2\times 7^4\times {\mathrm{3739}}^1$

素因数の和:3783

約数の個数: 90

約数和(自身を含む): 4221723220

約数和(自身を除く): 2201821945

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 315, 343, 441, 525, 735, 1029, 1225, 1575, 1715, 2205, 2401, 3087, 3675, 3739, 5145, 7203, 8575, 11025, 11217, 12005, 15435, 18695, 21609, 25725, 26173, 33651, 36015, 56085, 60025, 77175, 78519, 93475, 108045, 130865, 168255, 180075, 183211, 235557, 280425, 392595, 540225, 549633, 654325, 841275, 916055, 1177785, 1282477, 1648899, 1962975, 2748165, 3847431, 4580275, 5888925, 6412385, 8244495, 8977339, 11542293, 13740825, 19237155, 26932017, 32061925, 41222475, 44886695, 57711465, 80796051, 96185775, 134660085, 224433475, 288557325, 403980255, 673300425, 2019901275]

約数ペア:

[(1, 2019901275), (3, 673300425), (5, 403980255), (7, 288557325), (9, 224433475), (15, 134660085), (21, 96185775), (25, 80796051), (35, 57711465), (45, 44886695), (49, 41222475), (63, 32061925), (75, 26932017), (105, 19237155), (147, 13740825), (175, 11542293), (225, 8977339), (245, 8244495), (315, 6412385), (343, 5888925), (441, 4580275), (525, 3847431), (735, 2748165), (1029, 1962975), (1225, 1648899), (1575, 1282477), (1715, 1177785), (2205, 916055), (2401, 841275), (3087, 654325), (3675, 549633), (3739, 540225), (5145, 392595), (7203, 280425), (8575, 235557), (11025, 183211), (11217, 180075), (12005, 168255), (15435, 130865), (18695, 108045), (21609, 93475), (25725, 78519), (26173, 77175), (33651, 60025), (36015, 56085)]