27706580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^2$

素因数の和:245

約数の個数: 54

約数和(自身を含む): 64557402

約数和(自身を除く): 36850822

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 121, 214, 220, 242, 428, 484, 535, 605, 1070, 1177, 1210, 2140, 2354, 2420, 4708, 5885, 11449, 11770, 12947, 22898, 23540, 25894, 45796, 51788, 57245, 64735, 114490, 125939, 129470, 228980, 251878, 258940, 503756, 629695, 1259390, 1385329, 2518780, 2770658, 5541316, 6926645, 13853290, 27706580]

約数ペア:

[(1, 27706580), (2, 13853290), (4, 6926645), (5, 5541316), (10, 2770658), (11, 2518780), (20, 1385329), (22, 1259390), (44, 629695), (55, 503756), (107, 258940), (110, 251878), (121, 228980), (214, 129470), (220, 125939), (242, 114490), (428, 64735), (484, 57245), (535, 51788), (605, 45796), (1070, 25894), (1177, 23540), (1210, 22898), (2140, 12947), (2354, 11770), (2420, 11449), (4708, 5885)]