258999400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{117727}}^1$

素因数の和:117754

約数の個数: 48

約数和(自身を含む): 656922240

約数和(自身を除く): 397922840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 117727, 235454, 470908, 588635, 941816, 1177270, 1294997, 2354540, 2589994, 2943175, 4709080, 5179988, 5886350, 6474985, 10359976, 11772700, 12949970, 23545400, 25899940, 32374925, 51799880, 64749850, 129499700, 258999400]

約数ペア:

[(1, 258999400), (2, 129499700), (4, 64749850), (5, 51799880), (8, 32374925), (10, 25899940), (11, 23545400), (20, 12949970), (22, 11772700), (25, 10359976), (40, 6474985), (44, 5886350), (50, 5179988), (55, 4709080), (88, 2943175), (100, 2589994), (110, 2354540), (200, 1294997), (220, 1177270), (275, 941816), (440, 588635), (550, 470908), (1100, 235454), (2200, 117727)]