313626460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{320027}}^1$

素因数の和:320050

約数の個数: 36

約数和(自身を含む): 766147032

約数和(自身を除く): 452520572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 320027, 640054, 1280108, 1600135, 2240189, 3200270, 4480378, 6400540, 8960756, 11200945, 15681323, 22401890, 31362646, 44803780, 62725292, 78406615, 156813230, 313626460]

約数ペア:

[(1, 313626460), (2, 156813230), (4, 78406615), (5, 62725292), (7, 44803780), (10, 31362646), (14, 22401890), (20, 15681323), (28, 11200945), (35, 8960756), (49, 6400540), (70, 4480378), (98, 3200270), (140, 2240189), (196, 1600135), (245, 1280108), (490, 640054), (980, 320027)]