1644970290140

素因数分解:

$2^2\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{2423}}^1\times {\mathrm{18539}}^1$

素因数の和:22802

約数の個数: 48

約数和(自身を含む): 3457937226240

約数和(自身を除く): 1812966936100

約数列:

[1, 2, 4, 5, 10, 20, 1831, 2423, 3662, 4846, 7324, 9155, 9692, 12115, 18310, 18539, 24230, 36620, 37078, 48460, 74156, 92695, 185390, 370780, 4436513, 8873026, 17746052, 22182565, 33944909, 44365130, 44919997, 67889818, 88730260, 89839994, 135779636, 169724545, 179679988, 224599985, 339449090, 449199970, 678898180, 898399940, 82248514507, 164497029014, 328994058028, 411242572535, 822485145070, 1644970290140]

約数ペア:

[(1, 1644970290140), (2, 822485145070), (4, 411242572535), (5, 328994058028), (10, 164497029014), (20, 82248514507), (1831, 898399940), (2423, 678898180), (3662, 449199970), (4846, 339449090), (7324, 224599985), (9155, 179679988), (9692, 169724545), (12115, 135779636), (18310, 89839994), (18539, 88730260), (24230, 67889818), (36620, 44919997), (37078, 44365130), (48460, 33944909), (74156, 22182565), (92695, 17746052), (185390, 8873026), (370780, 4436513)]