849865420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{696611}}^1$

素因数の和:696681

約数の個数: 24

約数和(自身を含む): 1813977648

約数和(自身を除く): 964112228

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 696611, 1393222, 2786444, 3483055, 6966110, 13932220, 42493271, 84986542, 169973084, 212466355, 424932710, 849865420]

約数ペア:

[(1, 849865420), (2, 424932710), (4, 212466355), (5, 169973084), (10, 84986542), (20, 42493271), (61, 13932220), (122, 6966110), (244, 3483055), (305, 2786444), (610, 1393222), (1220, 696611)]