2019291025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{8623}}^1$

素因数の和:8698

約数の個数: 48

約数和(自身を含む): 2887315200

約数和(自身を除く): 868024175

約数列:

[1, 5, 17, 19, 25, 29, 85, 95, 145, 323, 425, 475, 493, 551, 725, 1615, 2465, 2755, 8075, 8623, 9367, 12325, 13775, 43115, 46835, 146591, 163837, 215575, 234175, 250067, 732955, 819185, 1250335, 2785229, 3664775, 4095925, 4251139, 4751273, 6251675, 13926145, 21255695, 23756365, 69630725, 80771641, 106278475, 118781825, 403858205, 2019291025]

約数ペア:

[(1, 2019291025), (5, 403858205), (17, 118781825), (19, 106278475), (25, 80771641), (29, 69630725), (85, 23756365), (95, 21255695), (145, 13926145), (323, 6251675), (425, 4751273), (475, 4251139), (493, 4095925), (551, 3664775), (725, 2785229), (1615, 1250335), (2465, 819185), (2755, 732955), (8075, 250067), (8623, 234175), (9367, 215575), (12325, 163837), (13775, 146591), (43115, 46835)]