1816204750

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{8081}}^1$

素因数の和:8158

約数の個数: 64

約数和(自身を含む): 3631080960

約数和(自身を除く): 1814876210

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 125, 145, 155, 250, 290, 310, 725, 775, 899, 1450, 1550, 1798, 3625, 3875, 4495, 7250, 7750, 8081, 8990, 16162, 22475, 40405, 44950, 80810, 112375, 202025, 224750, 234349, 250511, 404050, 468698, 501022, 1010125, 1171745, 1252555, 2020250, 2343490, 2505110, 5858725, 6262775, 7264819, 11717450, 12525550, 14529638, 29293625, 31313875, 36324095, 58587250, 62627750, 72648190, 181620475, 363240950, 908102375, 1816204750]

約数ペア:

[(1, 1816204750), (2, 908102375), (5, 363240950), (10, 181620475), (25, 72648190), (29, 62627750), (31, 58587250), (50, 36324095), (58, 31313875), (62, 29293625), (125, 14529638), (145, 12525550), (155, 11717450), (250, 7264819), (290, 6262775), (310, 5858725), (725, 2505110), (775, 2343490), (899, 2020250), (1450, 1252555), (1550, 1171745), (1798, 1010125), (3625, 501022), (3875, 468698), (4495, 404050), (7250, 250511), (7750, 234349), (8081, 224750), (8990, 202025), (16162, 112375), (22475, 80810), (40405, 44950)]