68557900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{11239}}^1$

素因数の和:11314

約数の個数: 36

約数和(自身を含む): 151222960

約数和(自身を除く): 82665060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 6100, 11239, 22478, 44956, 56195, 112390, 224780, 280975, 561950, 685579, 1123900, 1371158, 2742316, 3427895, 6855790, 13711580, 17139475, 34278950, 68557900]

約数ペア:

[(1, 68557900), (2, 34278950), (4, 17139475), (5, 13711580), (10, 6855790), (20, 3427895), (25, 2742316), (50, 1371158), (61, 1123900), (100, 685579), (122, 561950), (244, 280975), (305, 224780), (610, 112390), (1220, 56195), (1525, 44956), (3050, 22478), (6100, 11239)]