253629040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6379}}^1$

素因数の和:6470

約数の個数: 80

約数和(自身を含む): 683527680

約数和(自身を除く): 429898640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3976, 4970, 5680, 6379, 7952, 9940, 12758, 19880, 25516, 31895, 39760, 44653, 51032, 63790, 89306, 102064, 127580, 178612, 223265, 255160, 357224, 446530, 452909, 510320, 714448, 893060, 905818, 1786120, 1811636, 2264545, 3170363, 3572240, 3623272, 4529090, 6340726, 7246544, 9058180, 12681452, 15851815, 18116360, 25362904, 31703630, 36232720, 50725808, 63407260, 126814520, 253629040]

約数ペア:

[(1, 253629040), (2, 126814520), (4, 63407260), (5, 50725808), (7, 36232720), (8, 31703630), (10, 25362904), (14, 18116360), (16, 15851815), (20, 12681452), (28, 9058180), (35, 7246544), (40, 6340726), (56, 4529090), (70, 3623272), (71, 3572240), (80, 3170363), (112, 2264545), (140, 1811636), (142, 1786120), (280, 905818), (284, 893060), (355, 714448), (497, 510320), (560, 452909), (568, 446530), (710, 357224), (994, 255160), (1136, 223265), (1420, 178612), (1988, 127580), (2485, 102064), (2840, 89306), (3976, 63790), (4970, 51032), (5680, 44653), (6379, 39760), (7952, 31895), (9940, 25516), (12758, 19880)]