669679400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19813}}^1$

素因数の和:19855

約数の個数: 72

約数和(自身を含む): 1686072330

約数和(自身を除く): 1016392930

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 169, 200, 260, 325, 338, 520, 650, 676, 845, 1300, 1352, 1690, 2600, 3380, 4225, 6760, 8450, 16900, 19813, 33800, 39626, 79252, 99065, 158504, 198130, 257569, 396260, 495325, 515138, 792520, 990650, 1030276, 1287845, 1981300, 2060552, 2575690, 3348397, 3962600, 5151380, 6439225, 6696794, 10302760, 12878450, 13393588, 16741985, 25756900, 26787176, 33483970, 51513800, 66967940, 83709925, 133935880, 167419850, 334839700, 669679400]

約数ペア:

[(1, 669679400), (2, 334839700), (4, 167419850), (5, 133935880), (8, 83709925), (10, 66967940), (13, 51513800), (20, 33483970), (25, 26787176), (26, 25756900), (40, 16741985), (50, 13393588), (52, 12878450), (65, 10302760), (100, 6696794), (104, 6439225), (130, 5151380), (169, 3962600), (200, 3348397), (260, 2575690), (325, 2060552), (338, 1981300), (520, 1287845), (650, 1030276), (676, 990650), (845, 792520), (1300, 515138), (1352, 495325), (1690, 396260), (2600, 257569), (3380, 198130), (4225, 158504), (6760, 99065), (8450, 79252), (16900, 39626), (19813, 33800)]