1915711100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{16529}}^1$

素因数の和:16623

約数の個数: 72

約数和(自身を含む): 4447892400

約数和(自身を除く): 2532181300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 95, 100, 122, 190, 244, 305, 380, 475, 610, 950, 1159, 1220, 1525, 1900, 2318, 3050, 4636, 5795, 6100, 11590, 16529, 23180, 28975, 33058, 57950, 66116, 82645, 115900, 165290, 314051, 330580, 413225, 628102, 826450, 1008269, 1256204, 1570255, 1652900, 2016538, 3140510, 4033076, 5041345, 6281020, 7851275, 10082690, 15702550, 19157111, 20165380, 25206725, 31405100, 38314222, 50413450, 76628444, 95785555, 100826900, 191571110, 383142220, 478927775, 957855550, 1915711100]

約数ペア:

[(1, 1915711100), (2, 957855550), (4, 478927775), (5, 383142220), (10, 191571110), (19, 100826900), (20, 95785555), (25, 76628444), (38, 50413450), (50, 38314222), (61, 31405100), (76, 25206725), (95, 20165380), (100, 19157111), (122, 15702550), (190, 10082690), (244, 7851275), (305, 6281020), (380, 5041345), (475, 4033076), (610, 3140510), (950, 2016538), (1159, 1652900), (1220, 1570255), (1525, 1256204), (1900, 1008269), (2318, 826450), (3050, 628102), (4636, 413225), (5795, 330580), (6100, 314051), (11590, 165290), (16529, 115900), (23180, 82645), (28975, 66116), (33058, 57950)]