274754590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{6421}}^1$

素因数の和:6828

約数の個数: 32

約数和(自身を含む): 540989280

約数和(自身を除く): 266234690

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 389, 778, 1945, 3890, 4279, 6421, 8558, 12842, 21395, 32105, 42790, 64210, 70631, 141262, 353155, 706310, 2497769, 4995538, 12488845, 24977690, 27475459, 54950918, 137377295, 274754590]

約数ペア:

[(1, 274754590), (2, 137377295), (5, 54950918), (10, 27475459), (11, 24977690), (22, 12488845), (55, 4995538), (110, 2497769), (389, 706310), (778, 353155), (1945, 141262), (3890, 70631), (4279, 64210), (6421, 42790), (8558, 32105), (12842, 21395)]