123308780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{1301}}^1$

素因数の和:1994

約数の個数: 48

約数和(自身を含む): 296606016

約数和(自身を除く): 173297236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 677, 1301, 1354, 2602, 2708, 3385, 4739, 5204, 6505, 6770, 9107, 9478, 13010, 13540, 18214, 18956, 23695, 26020, 36428, 45535, 47390, 91070, 94780, 182140, 880777, 1761554, 3523108, 4403885, 6165439, 8807770, 12330878, 17615540, 24661756, 30827195, 61654390, 123308780]

約数ペア:

[(1, 123308780), (2, 61654390), (4, 30827195), (5, 24661756), (7, 17615540), (10, 12330878), (14, 8807770), (20, 6165439), (28, 4403885), (35, 3523108), (70, 1761554), (140, 880777), (677, 182140), (1301, 94780), (1354, 91070), (2602, 47390), (2708, 45535), (3385, 36428), (4739, 26020), (5204, 23695), (6505, 18956), (6770, 18214), (9107, 13540), (9478, 13010)]