388631300

素因数分解:

$2^2\times 5^2\times {\mathrm{307}}^1\times {\mathrm{12659}}^1$

素因数の和:12980

約数の個数: 36

約数和(自身を含む): 846143760

約数和(自身を除く): 457512460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 307, 614, 1228, 1535, 3070, 6140, 7675, 12659, 15350, 25318, 30700, 50636, 63295, 126590, 253180, 316475, 632950, 1265900, 3886313, 7772626, 15545252, 19431565, 38863130, 77726260, 97157825, 194315650, 388631300]

約数ペア:

[(1, 388631300), (2, 194315650), (4, 97157825), (5, 77726260), (10, 38863130), (20, 19431565), (25, 15545252), (50, 7772626), (100, 3886313), (307, 1265900), (614, 632950), (1228, 316475), (1535, 253180), (3070, 126590), (6140, 63295), (7675, 50636), (12659, 30700), (15350, 25318)]