259100380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{168247}}^1$

素因数の和:168274

約数の個数: 48

約数和(自身を含む): 678375936

約数和(自身を除く): 419275556

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 168247, 336494, 672988, 841235, 1177729, 1682470, 1850717, 2355458, 3364940, 3701434, 4710916, 5888645, 7402868, 9253585, 11777290, 12955019, 18507170, 23554580, 25910038, 37014340, 51820076, 64775095, 129550190, 259100380]

約数ペア:

[(1, 259100380), (2, 129550190), (4, 64775095), (5, 51820076), (7, 37014340), (10, 25910038), (11, 23554580), (14, 18507170), (20, 12955019), (22, 11777290), (28, 9253585), (35, 7402868), (44, 5888645), (55, 4710916), (70, 3701434), (77, 3364940), (110, 2355458), (140, 1850717), (154, 1682470), (220, 1177729), (308, 841235), (385, 672988), (770, 336494), (1540, 168247)]