219669890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{7369}}^1$

素因数の和:7658

約数の個数: 32

約数和(自身を含む): 433002240

約数和(自身を除く): 213332350

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 271, 542, 1355, 2710, 2981, 5962, 7369, 14738, 14905, 29810, 36845, 73690, 81059, 162118, 405295, 810590, 1996999, 3993998, 9984995, 19969990, 21966989, 43933978, 109834945, 219669890]

約数ペア:

[(1, 219669890), (2, 109834945), (5, 43933978), (10, 21966989), (11, 19969990), (22, 9984995), (55, 3993998), (110, 1996999), (271, 810590), (542, 405295), (1355, 162118), (2710, 81059), (2981, 73690), (5962, 36845), (7369, 29810), (14738, 14905)]