72804890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{907}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 137289600

約数和(自身を除く): 64484710

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 349, 698, 907, 1745, 1814, 3490, 4535, 8027, 9070, 16054, 20861, 40135, 41722, 80270, 104305, 208610, 316543, 633086, 1582715, 3165430, 7280489, 14560978, 36402445, 72804890]

約数ペア:

[(1, 72804890), (2, 36402445), (5, 14560978), (10, 7280489), (23, 3165430), (46, 1582715), (115, 633086), (230, 316543), (349, 208610), (698, 104305), (907, 80270), (1745, 41722), (1814, 40135), (3490, 20861), (4535, 16054), (8027, 9070)]