242499040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{30931}}^1$

素因数の和:30960

約数の個数: 72

約数和(自身を含む): 666460872

約数和(自身を除く): 423961832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 30931, 61862, 123724, 154655, 216517, 247448, 309310, 433034, 494896, 618620, 866068, 989792, 1082585, 1237240, 1515619, 1732136, 2165170, 2474480, 3031238, 3464272, 4330340, 4948960, 6062476, 6928544, 7578095, 8660680, 12124952, 15156190, 17321360, 24249904, 30312380, 34642720, 48499808, 60624760, 121249520, 242499040]

約数ペア:

[(1, 242499040), (2, 121249520), (4, 60624760), (5, 48499808), (7, 34642720), (8, 30312380), (10, 24249904), (14, 17321360), (16, 15156190), (20, 12124952), (28, 8660680), (32, 7578095), (35, 6928544), (40, 6062476), (49, 4948960), (56, 4330340), (70, 3464272), (80, 3031238), (98, 2474480), (112, 2165170), (140, 1732136), (160, 1515619), (196, 1237240), (224, 1082585), (245, 989792), (280, 866068), (392, 618620), (490, 494896), (560, 433034), (784, 309310), (980, 247448), (1120, 216517), (1568, 154655), (1960, 123724), (3920, 61862), (7840, 30931)]