91318180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{5113}}^1$

素因数の和:5188

約数の個数: 48

約数和(自身を含む): 206196480

約数和(自身を除く): 114878300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 3572, 4465, 5113, 8930, 10226, 17860, 20452, 25565, 51130, 97147, 102260, 194294, 240311, 388588, 480622, 485735, 961244, 971470, 1201555, 1942940, 2403110, 4565909, 4806220, 9131818, 18263636, 22829545, 45659090, 91318180]

約数ペア:

[(1, 91318180), (2, 45659090), (4, 22829545), (5, 18263636), (10, 9131818), (19, 4806220), (20, 4565909), (38, 2403110), (47, 1942940), (76, 1201555), (94, 971470), (95, 961244), (188, 485735), (190, 480622), (235, 388588), (380, 240311), (470, 194294), (893, 102260), (940, 97147), (1786, 51130), (3572, 25565), (4465, 20452), (5113, 17860), (8930, 10226)]