30767660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19979}}^1$

素因数の和:20006

約数の個数: 48

約数和(自身を含む): 80559360

約数和(自身を除く): 49791700

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, 19979, 39958, 79916, 99895, 139853, 199790, 219769, 279706, 399580, 439538, 559412, 699265, 879076, 1098845, 1398530, 1538383, 2197690, 2797060, 3076766, 4395380, 6153532, 7691915, 15383830, 30767660]

約数ペア:

[(1, 30767660), (2, 15383830), (4, 7691915), (5, 6153532), (7, 4395380), (10, 3076766), (11, 2797060), (14, 2197690), (20, 1538383), (22, 1398530), (28, 1098845), (35, 879076), (44, 699265), (55, 559412), (70, 439538), (77, 399580), (110, 279706), (140, 219769), (154, 199790), (220, 139853), (308, 99895), (385, 79916), (770, 39958), (1540, 19979)]