123218180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{563}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 268337664

約数和(自身を除く): 145119484

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 353, 563, 620, 706, 1126, 1412, 1765, 2252, 2815, 3530, 5630, 7060, 10943, 11260, 17453, 21886, 34906, 43772, 54715, 69812, 87265, 109430, 174530, 198739, 218860, 349060, 397478, 794956, 993695, 1987390, 3974780, 6160909, 12321818, 24643636, 30804545, 61609090, 123218180]

約数ペア:

[(1, 123218180), (2, 61609090), (4, 30804545), (5, 24643636), (10, 12321818), (20, 6160909), (31, 3974780), (62, 1987390), (124, 993695), (155, 794956), (310, 397478), (353, 349060), (563, 218860), (620, 198739), (706, 174530), (1126, 109430), (1412, 87265), (1765, 69812), (2252, 54715), (2815, 43772), (3530, 34906), (5630, 21886), (7060, 17453), (10943, 11260)]