280001955

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{4937}}^1$

素因数の和:5163

約数の個数: 32

約数和(自身を含む): 474048000

約数和(自身を除く): 194046045

約数列:

[1, 3, 5, 15, 19, 57, 95, 199, 285, 597, 995, 2985, 3781, 4937, 11343, 14811, 18905, 24685, 56715, 74055, 93803, 281409, 469015, 982463, 1407045, 2947389, 4912315, 14736945, 18666797, 56000391, 93333985, 280001955]

約数ペア:

[(1, 280001955), (3, 93333985), (5, 56000391), (15, 18666797), (19, 14736945), (57, 4912315), (95, 2947389), (199, 1407045), (285, 982463), (597, 469015), (995, 281409), (2985, 93803), (3781, 74055), (4937, 56715), (11343, 24685), (14811, 18905)]