217966198730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{1772227}}^1$

素因数の和:1772499

約数の個数: 48

約数和(自身を含む): 458213093856

約数和(自身を除く): 240246895126

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 251, 490, 502, 1255, 1757, 2510, 3514, 8785, 12299, 17570, 24598, 61495, 122990, 1772227, 3544454, 8861135, 12405589, 17722270, 24811178, 62027945, 86839123, 124055890, 173678246, 434195615, 444828977, 868391230, 889657954, 2224144885, 3113802839, 4448289770, 6227605678, 15569014195, 21796619873, 31138028390, 43593239746, 108983099365, 217966198730]

約数ペア:

[(1, 217966198730), (2, 108983099365), (5, 43593239746), (7, 31138028390), (10, 21796619873), (14, 15569014195), (35, 6227605678), (49, 4448289770), (70, 3113802839), (98, 2224144885), (245, 889657954), (251, 868391230), (490, 444828977), (502, 434195615), (1255, 173678246), (1757, 124055890), (2510, 86839123), (3514, 62027945), (8785, 24811178), (12299, 17722270), (17570, 12405589), (24598, 8861135), (61495, 3544454), (122990, 1772227)]