7809340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{461}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 20645856

約数和(自身を除く): 12836516

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 461, 484, 605, 770, 847, 922, 1210, 1540, 1694, 1844, 2305, 2420, 3227, 3388, 4235, 4610, 5071, 6454, 8470, 9220, 10142, 12908, 16135, 16940, 20284, 25355, 32270, 35497, 50710, 55781, 64540, 70994, 101420, 111562, 141988, 177485, 223124, 278905, 354970, 390467, 557810, 709940, 780934, 1115620, 1561868, 1952335, 3904670, 7809340]

約数ペア:

[(1, 7809340), (2, 3904670), (4, 1952335), (5, 1561868), (7, 1115620), (10, 780934), (11, 709940), (14, 557810), (20, 390467), (22, 354970), (28, 278905), (35, 223124), (44, 177485), (55, 141988), (70, 111562), (77, 101420), (110, 70994), (121, 64540), (140, 55781), (154, 50710), (220, 35497), (242, 32270), (308, 25355), (385, 20284), (461, 16940), (484, 16135), (605, 12908), (770, 10142), (847, 9220), (922, 8470), (1210, 6454), (1540, 5071), (1694, 4610), (1844, 4235), (2305, 3388), (2420, 3227)]