1815692820475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{383}}^1\times {\mathrm{50153}}^1$

素因数の和:50764

約数の個数: 48

約数和(自身を含む): 2388132864000

約数和(自身を除く): 572440043525

約数列:

[1, 5, 19, 25, 95, 199, 383, 475, 995, 1915, 3781, 4975, 7277, 9575, 18905, 36385, 50153, 76217, 94525, 181925, 250765, 381085, 952907, 1253825, 1448123, 1905425, 4764535, 7240615, 9980447, 19208599, 23822675, 36203075, 49902235, 96042995, 189628493, 249511175, 364963381, 480214975, 948142465, 1824816905, 3822511201, 4740712325, 9124084525, 19112556005, 72627712819, 95562780025, 363138564095, 1815692820475]

約数ペア:

[(1, 1815692820475), (5, 363138564095), (19, 95562780025), (25, 72627712819), (95, 19112556005), (199, 9124084525), (383, 4740712325), (475, 3822511201), (995, 1824816905), (1915, 948142465), (3781, 480214975), (4975, 364963381), (7277, 249511175), (9575, 189628493), (18905, 96042995), (36385, 49902235), (50153, 36203075), (76217, 23822675), (94525, 19208599), (181925, 9980447), (250765, 7240615), (381085, 4764535), (952907, 1905425), (1253825, 1448123)]