39436460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2789}}^1$

素因数の和:2906

約数の個数: 48

約数和(自身を含む): 95618880

約数和(自身を除く): 56182420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2789, 2828, 3535, 5578, 7070, 11156, 13945, 14140, 19523, 27890, 39046, 55780, 78092, 97615, 195230, 281689, 390460, 563378, 1126756, 1408445, 1971823, 2816890, 3943646, 5633780, 7887292, 9859115, 19718230, 39436460]

約数ペア:

[(1, 39436460), (2, 19718230), (4, 9859115), (5, 7887292), (7, 5633780), (10, 3943646), (14, 2816890), (20, 1971823), (28, 1408445), (35, 1126756), (70, 563378), (101, 390460), (140, 281689), (202, 195230), (404, 97615), (505, 78092), (707, 55780), (1010, 39046), (1414, 27890), (2020, 19523), (2789, 14140), (2828, 13945), (3535, 11156), (5578, 7070)]