90467455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 135475200

約数和(自身を除く): 45007745

約数列:

[1, 5, 13, 17, 19, 31, 65, 85, 95, 139, 155, 221, 247, 323, 403, 527, 589, 695, 1105, 1235, 1615, 1807, 2015, 2363, 2635, 2641, 2945, 4199, 4309, 6851, 7657, 9035, 10013, 11815, 13205, 20995, 21545, 30719, 34255, 34333, 38285, 44897, 50065, 56017, 73253, 81871, 130169, 153595, 171665, 224485, 280085, 366265, 409355, 583661, 650845, 952289, 1064323, 1391807, 2918305, 4761445, 5321615, 6959035, 18093491, 90467455]

約数ペア:

[(1, 90467455), (5, 18093491), (13, 6959035), (17, 5321615), (19, 4761445), (31, 2918305), (65, 1391807), (85, 1064323), (95, 952289), (139, 650845), (155, 583661), (221, 409355), (247, 366265), (323, 280085), (403, 224485), (527, 171665), (589, 153595), (695, 130169), (1105, 81871), (1235, 73253), (1615, 56017), (1807, 50065), (2015, 44897), (2363, 38285), (2635, 34333), (2641, 34255), (2945, 30719), (4199, 21545), (4309, 20995), (6851, 13205), (7657, 11815), (9035, 10013)]