386820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{307}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 1345344

約数和(自身を除く): 958524

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 307, 315, 420, 614, 630, 921, 1228, 1260, 1535, 1842, 2149, 2763, 3070, 3684, 4298, 4605, 5526, 6140, 6447, 8596, 9210, 10745, 11052, 12894, 13815, 18420, 19341, 21490, 25788, 27630, 32235, 38682, 42980, 55260, 64470, 77364, 96705, 128940, 193410, 386820]

約数ペア:

[(1, 386820), (2, 193410), (3, 128940), (4, 96705), (5, 77364), (6, 64470), (7, 55260), (9, 42980), (10, 38682), (12, 32235), (14, 27630), (15, 25788), (18, 21490), (20, 19341), (21, 18420), (28, 13815), (30, 12894), (35, 11052), (36, 10745), (42, 9210), (45, 8596), (60, 6447), (63, 6140), (70, 5526), (84, 4605), (90, 4298), (105, 3684), (126, 3070), (140, 2763), (180, 2149), (210, 1842), (252, 1535), (307, 1260), (315, 1228), (420, 921), (614, 630)]