978930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 2597400

約数和(自身を除く): 1618470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 73, 90, 146, 149, 219, 298, 365, 438, 447, 657, 730, 745, 894, 1095, 1314, 1341, 1490, 2190, 2235, 2682, 3285, 4470, 6570, 6705, 10877, 13410, 21754, 32631, 54385, 65262, 97893, 108770, 163155, 195786, 326310, 489465, 978930]

約数ペア:

[(1, 978930), (2, 489465), (3, 326310), (5, 195786), (6, 163155), (9, 108770), (10, 97893), (15, 65262), (18, 54385), (30, 32631), (45, 21754), (73, 13410), (90, 10877), (146, 6705), (149, 6570), (219, 4470), (298, 3285), (365, 2682), (438, 2235), (447, 2190), (657, 1490), (730, 1341), (745, 1314), (894, 1095)]