68528470

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{541}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 126437760

約数和(自身を除く): 57909290

約数列:

[1, 2, 5, 10, 53, 106, 239, 265, 478, 530, 541, 1082, 1195, 2390, 2705, 5410, 12667, 25334, 28673, 57346, 63335, 126670, 129299, 143365, 258598, 286730, 646495, 1292990, 6852847, 13705694, 34264235, 68528470]

約数ペア:

[(1, 68528470), (2, 34264235), (5, 13705694), (10, 6852847), (53, 1292990), (106, 646495), (239, 286730), (265, 258598), (478, 143365), (530, 129299), (541, 126670), (1082, 63335), (1195, 57346), (2390, 28673), (2705, 25334), (5410, 12667)]