78344140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79943}}^1$

素因数の和:79966

約数の個数: 36

約数和(自身を含む): 191385936

約数和(自身を除く): 113041796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 79943, 159886, 319772, 399715, 559601, 799430, 1119202, 1598860, 2238404, 2798005, 3917207, 5596010, 7834414, 11192020, 15668828, 19586035, 39172070, 78344140]

約数ペア:

[(1, 78344140), (2, 39172070), (4, 19586035), (5, 15668828), (7, 11192020), (10, 7834414), (14, 5596010), (20, 3917207), (28, 2798005), (35, 2238404), (49, 1598860), (70, 1119202), (98, 799430), (140, 559601), (196, 399715), (245, 319772), (490, 159886), (980, 79943)]