27684580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17977}}^1$

素因数の和:18004

約数の個数: 48

約数和(自身を含む): 72487296

約数和(自身を除く): 44802716

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, 17977, 35954, 71908, 89885, 125839, 179770, 197747, 251678, 359540, 395494, 503356, 629195, 790988, 988735, 1258390, 1384229, 1977470, 2516780, 2768458, 3954940, 5536916, 6921145, 13842290, 27684580]

約数ペア:

[(1, 27684580), (2, 13842290), (4, 6921145), (5, 5536916), (7, 3954940), (10, 2768458), (11, 2516780), (14, 1977470), (20, 1384229), (22, 1258390), (28, 988735), (35, 790988), (44, 629195), (55, 503356), (70, 395494), (77, 359540), (110, 251678), (140, 197747), (154, 179770), (220, 125839), (308, 89885), (385, 71908), (770, 35954), (1540, 17977)]