208963870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{2797}}^1$

素因数の和:3076

約数の個数: 32

約数和(自身を含む): 390018816

約数和(自身を除く): 181054946

約数列:

[1, 2, 5, 10, 31, 62, 155, 241, 310, 482, 1205, 2410, 2797, 5594, 7471, 13985, 14942, 27970, 37355, 74710, 86707, 173414, 433535, 674077, 867070, 1348154, 3370385, 6740770, 20896387, 41792774, 104481935, 208963870]

約数ペア:

[(1, 208963870), (2, 104481935), (5, 41792774), (10, 20896387), (31, 6740770), (62, 3370385), (155, 1348154), (241, 867070), (310, 674077), (482, 433535), (1205, 173414), (2410, 86707), (2797, 74710), (5594, 37355), (7471, 27970), (13985, 14942)]