390754910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61343}}^1$

素因数の和:61377

約数の個数: 48

約数和(自身を含む): 881145216

約数和(自身を除く): 490390306

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 61343, 122686, 306715, 429401, 613430, 797459, 858802, 1594918, 2147005, 3005807, 3987295, 4294010, 5582213, 6011614, 7974590, 11164426, 15029035, 27911065, 30058070, 39075491, 55822130, 78150982, 195377455, 390754910]

約数ペア:

[(1, 390754910), (2, 195377455), (5, 78150982), (7, 55822130), (10, 39075491), (13, 30058070), (14, 27911065), (26, 15029035), (35, 11164426), (49, 7974590), (65, 6011614), (70, 5582213), (91, 4294010), (98, 3987295), (130, 3005807), (182, 2147005), (245, 1594918), (455, 858802), (490, 797459), (637, 613430), (910, 429401), (1274, 306715), (3185, 122686), (6370, 61343)]