209620349620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50148409}}^1$

素因数の和:50148448

約数の個数: 48

約数和(自身を含む): 505495972800

約数和(自身を除く): 295875623180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 50148409, 100296818, 200593636, 250742045, 501484090, 551632499, 952819771, 1002968180, 1103264998, 1905639542, 2206529996, 2758162495, 3811279084, 4764098855, 5516324990, 9528197710, 10481017481, 11032649980, 19056395420, 20962034962, 41924069924, 52405087405, 104810174810, 209620349620]

約数ペア:

[(1, 209620349620), (2, 104810174810), (4, 52405087405), (5, 41924069924), (10, 20962034962), (11, 19056395420), (19, 11032649980), (20, 10481017481), (22, 9528197710), (38, 5516324990), (44, 4764098855), (55, 3811279084), (76, 2758162495), (95, 2206529996), (110, 1905639542), (190, 1103264998), (209, 1002968180), (220, 952819771), (380, 551632499), (418, 501484090), (836, 250742045), (1045, 200593636), (2090, 100296818), (4180, 50148409)]