30357980

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1831}}^1$

素因数の和:2669

約数の個数: 24

約数和(自身を含む): 63863520

約数和(自身を除く): 33505540

約数列:

[1, 2, 4, 5, 10, 20, 829, 1658, 1831, 3316, 3662, 4145, 7324, 8290, 9155, 16580, 18310, 36620, 1517899, 3035798, 6071596, 7589495, 15178990, 30357980]

約数ペア:

[(1, 30357980), (2, 15178990), (4, 7589495), (5, 6071596), (10, 3035798), (20, 1517899), (829, 36620), (1658, 18310), (1831, 16580), (3316, 9155), (3662, 8290), (4145, 7324)]